Change install_name for libclang.dylib to '@rpath/libclang.dylib'. Fixes <rdar://problem/7987039>.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103837 91177308-0d34-0410-b5e6-96231b3b80d8

tools/libclang/Makefile

@@ -50,6 +50,6 @@ ifeq ($(HOST_OS),Darwin)
     ifneq ($(DARWIN_VERS),8)
        LLVMLibsOptions    := $(LLVMLibsOptions)  \
                             -no-undefined -Wl,-install_name \
-                            -Wl,"@executable_path/../lib/lib$(LIBRARYNAME)$(SHLIBEXT)"
+                            -Wl,"@rpath/lib$(LIBRARYNAME)$(SHLIBEXT)"
     endif
 endif