Add a missing 'else'.  Found by grep '} if'

No testcase because this did not affect correctness: a declaration can only be
ClassTemplateDecl or a FunctionTemplateDecl, not both.

llvm-svn: 170565
diff --git a/clang/tools/libclang/IndexingContext.cpp b/clang/tools/libclang/IndexingContext.cpp
index 8f71029..3a73aee 100644
--- a/clang/tools/libclang/IndexingContext.cpp
+++ b/clang/tools/libclang/IndexingContext.cpp
@@ -827,7 +827,7 @@
 
   if (const ClassTemplateDecl *ClassTempl = dyn_cast<ClassTemplateDecl>(D)) {
     DC = ClassTempl->getTemplatedDecl();
-  } if (const FunctionTemplateDecl *
+  } else if (const FunctionTemplateDecl *
           FuncTempl = dyn_cast<FunctionTemplateDecl>(D)) {
     DC = FuncTempl->getTemplatedDecl();
   }