Remove stray semicolon

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177370 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Serialization/GlobalModuleIndex.h b/include/clang/Serialization/GlobalModuleIndex.h
index 53f61e2..c7e9ab4 100644
--- a/include/clang/Serialization/GlobalModuleIndex.h
+++ b/include/clang/Serialization/GlobalModuleIndex.h
@@ -36,7 +36,7 @@
 
 namespace serialization {
   class ModuleFile;
-};
+}
 
 using llvm::SmallVector;
 using llvm::SmallVectorImpl;