Use the final .version number for LLVM_MINOR_VERSION in Apple llvmCore builds.

We've switched to a 3-component version numbering scheme for Apple releases,
and with this scheme, the final number is the one most relevant for setting
LLVM_MINOR_VERSION.  <rdar://problem/12071459>

llvm-svn: 161645

llvm/utils/buildit/build_llvm

@@ -133,7 +133,7 @@ if [ \! -f Makefile.config ]; then
     || exit 1
 fi
 
-SUBVERSION=`echo $RC_ProjectSourceVersion | sed -e 's/[^.]*\.\([0-9]*\).*/\1/'`
+SUBVERSION=`echo $RC_ProjectSourceVersion | sed -e 's/.*\.\([0-9]*\).*/\1/'`
 
 if [ "x$SUBVERSION" != "x$RC_ProjectSourceVersion" ]; then
     LLVM_SUBMIT_SUBVERSION=`printf "%02d" $SUBVERSION`