Whitespace changes, to untabify Ant files.

No review (per Scottb), but svn diff -x -w shows no non-whitespace
differences.

Identical scripting used here and in gwt1.5, so the merge shouldn't be 
painful.  If it is, I'm sure it will find its way to me, which is fine and 
as it should be. ;-)

 --This line, and those below, will be ignored--

M    jni/linux/build.xml
M    jni/mac/build.xml
M    jni/windows/build.xml
M    jni/build.xml
M    tools/benchmark-viewer/build.xml
M    tools/api-checker/build.xml
M    tools/build.xml
M    distro-source/linux/build.xml
M    distro-source/mac/build.xml
M    distro-source/common.ant.xml
M    distro-source/windows/build.xml
M    distro-source/build.xml
M    samples/i18n/build.xml
M    samples/mail/build.xml
M    samples/dynatable/build.xml
M    samples/hello/build.xml
M    samples/common.ant.xml
M    samples/json/build.xml
M    samples/simplexml/build.xml
M    samples/showcase/build.xml
M    samples/simplerpc/build.xml
M    samples/build.xml
M    servlet/build.xml
M    doc/build.xml
M    platforms.ant.xml
M    common.ant.xml
M    build-tools/ant-gwt/build.xml
M    build-tools/doctool/build.xml
M    build-tools/customchecks/build.xml
M    build-tools/build.xml
M    dev/linux/build.xml
M    dev/mac/build.xml
M    dev/core/build.xml
M    dev/common.ant.xml
M    dev/windows/build.xml
M    dev/build.xml
M    user/build.xml
M    build.xml


git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@3558 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/tools/build.xml b/tools/build.xml
index f271a9e..3c89a8a 100755
--- a/tools/build.xml
+++ b/tools/build.xml
@@ -1,7 +1,7 @@
 <project name="tools" default="build" basedir=".">
-	<property name="gwt.root" location=".." />
-	<property name="project.tail" value="tools" />
-	<import file="${gwt.root}/common.ant.xml" />
+  <property name="gwt.root" location=".." />
+  <property name="project.tail" value="tools" />
+  <import file="${gwt.root}/common.ant.xml" />
 
         <!-- "build" is the default when subprojects are directly targetted -->
         <property name="target" value="build" />
@@ -14,24 +14,24 @@
                 <gwt.ant dir="api-checker" />
         </target>
         
-	<target name="-do" depends="benchmark-viewer,api-checker" description="Run all subfolders" />
+  <target name="-do" depends="benchmark-viewer,api-checker" description="Run all subfolders" />
 
-	<target name="build" description="Build each subfolder">
-		<antcall target="-do">
-			<param name="target" value="build" />
-		</antcall>
-	</target>
+  <target name="build" description="Build each subfolder">
+    <antcall target="-do">
+      <param name="target" value="build" />
+    </antcall>
+  </target>
 
-	<target name="checkstyle" description="Static analysis of source for each subfolder">
-		<antcall target="-do">
-			<param name="target" value="checkstyle" />
-		</antcall>
-	</target>
+  <target name="checkstyle" description="Static analysis of source for each subfolder">
+    <antcall target="-do">
+      <param name="target" value="checkstyle" />
+    </antcall>
+  </target>
 
-	<target name="test" depends="build" description="Test each subfolder">
-		<antcall target="-do">
-			<param name="target" value="test" />
-		</antcall>
-	</target>
+  <target name="test" depends="build" description="Test each subfolder">
+    <antcall target="-do">
+      <param name="target" value="test" />
+    </antcall>
+  </target>
 </project>