Fix unused method warning.

Review URL: https://breakpad.appspot.com/814002

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1242 4c0a9323-5329-0410-9bdc-e9ce6186880e

src/client/ios/handler/ios_exception_minidump_generator.mm

@@ -48,11 +48,13 @@ const uintptr_t kExpectedFinalSp = 0;
 const int kExceptionType = EXC_SOFTWARE;
 const int kExceptionCode = MD_EXCEPTION_CODE_MAC_NS_EXCEPTION;
 
+#if defined(HAS_ARM_SUPPORT) || defined(HAS_ARM64_SUPPORT)
 // Append the given value to the sp position of the stack represented
 // by memory.
 void AppendToMemory(uint8_t *memory, uintptr_t sp, uintptr_t data) {
   memcpy(memory + sp, &data, sizeof(data));
 }
+#endif
 
 }  // namespace