Fix host build with clang 3.3

(cherry picked from commit d31ce7d053045f4c8509ae6ab61819287010ad92)

Change-Id: If4133d72a61b23347cb2da549308cf6fb0280850
diff --git a/runtime/arch/x86/asm_support_x86.S b/runtime/arch/x86/asm_support_x86.S
index 72e6db4..d7c88ba 100644
--- a/runtime/arch/x86/asm_support_x86.S
+++ b/runtime/arch/x86/asm_support_x86.S
@@ -86,7 +86,7 @@
     // Symbols.
 #if !defined(__APPLE__)
     #define SYMBOL(name) name
-    #define PLT_SYMBOL(name) name ## @PLT
+    #define PLT_SYMBOL(name) name  // ## @PLT  // TODO: Disabled for old clang 3.3
 #else
     // Mac OS' symbols have an _ prefix.
     #define SYMBOL(name) _ ## name