reduce -Xmx to 1G as it is enough for now and 32-bit Windows does not support -Xmx2G


git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@8956 8db76d5a-ed1c-0410-87a9-c151d255dfc7
diff --git a/common.ant.xml b/common.ant.xml
index 7aa1869..ea3c56d 100755
--- a/common.ant.xml
+++ b/common.ant.xml
@@ -134,7 +134,7 @@
   </presetdef>
 
   <presetdef name="gwt.javac">
-    <javac srcdir="src" destdir="${javac.out}" debug="${javac.debug}" debuglevel="${javac.debuglevel}" source="${javac.source}" target="${javac.target}" nowarn="${javac.nowarn}" encoding="${javac.encoding}" fork="true" memoryMaximumSize="2048m" />
+    <javac srcdir="src" destdir="${javac.out}" debug="${javac.debug}" debuglevel="${javac.debuglevel}" source="${javac.source}" target="${javac.target}" nowarn="${javac.nowarn}" encoding="${javac.encoding}" fork="true" memoryMaximumSize="1024m" />
   </presetdef>
 
   <macrodef name="gwt.jar">