Fix configure issue where configure
turned "obj-c++" into "obj" in the langs line.
Update configure script.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57267 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/configure b/configure
index fa1444c..aa71c77 100755
--- a/configure
+++ b/configure
@@ -34246,7 +34246,7 @@
 
   LLVMGCC_MAJVERS=$llvmgccmajvers
 
-  llvmgcclangs=`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ -]*\).*/\1/'`
+  llvmgcclangs=`"$LLVMGCC" -v --help 2>&1 | grep '^Configured with:' | sed 's/^.*--enable-languages=\([^ ]*\).*/\1/'`
   LLVMGCC_LANGS=$llvmgcclangs
 
   { echo "$as_me:$LINENO: result: ok" >&5