fix whitespace in test to match llvm asmprinter change.

llvm-svn: 92251
diff --git a/clang/test/Driver/darwin-debug-flags.c b/clang/test/Driver/darwin-debug-flags.c
index 86cd5b9..7ce6137 100644
--- a/clang/test/Driver/darwin-debug-flags.c
+++ b/clang/test/Driver/darwin-debug-flags.c
@@ -6,6 +6,6 @@
 // CHECK: -triple i386-apple-darwin9
 // CHECK: -g
 // CHECK: -Os
-// CHECK: [DW_TAG_compile_unit ]
+// CHECK: [ DW_TAG_compile_unit ]
 
 int x;