Add CXType support for querying the return type of Objective-C methods.  This is done by
adding a clang_getCursorResultType() function (which complements clang_getResultType()).

llvm-svn: 106473
diff --git a/clang/tools/c-index-test/c-index-test.c b/clang/tools/c-index-test/c-index-test.c
index 27c51a0..05e2d9e 100644
--- a/clang/tools/c-index-test/c-index-test.c
+++ b/clang/tools/c-index-test/c-index-test.c
@@ -470,7 +470,7 @@
     }
     // Print the return type if it exists.
     {
-      CXType RT = clang_getResultType(T);
+      CXType RT = clang_getCursorResultType(cursor);
       if (RT.kind != CXType_Invalid) {
         CXString RS = clang_getTypeKindSpelling(RT.kind);
         printf(" [result=%s]", clang_getCString(RS));