Revert of Fix printf formats

src/x87/disasm-x87.cc

Index: src/x87/disasm-x87.cc
diff --git a/src/x87/disasm-x87.cc b/src/x87/disasm-x87.cc
index e5ae52f4cbd3b9e4e81dd5cf7ca2f99a00b07aa0..91ce2272e9bb33d22dbdcdba91859c9e429d5fd6 100644
--- a/src/x87/disasm-x87.cc
+++ b/src/x87/disasm-x87.cc
@@ -8,7 +8,6 @@
 
 #if V8_TARGET_ARCH_X87
 
-#include "src/base/compiler-specific.h"
 #include "src/disasm.h"
 
 namespace disasm {
@@ -326,7 +325,8 @@
   int FPUInstruction(byte* data);
   int MemoryFPUInstruction(int escape_opcode, int regop, byte* modrm_start);
   int RegisterFPUInstruction(int escape_opcode, byte modrm_byte);
-  PRINTF_FORMAT(2, 3) void AppendToBuffer(const char* format, ...);
+  void AppendToBuffer(const char* format, ...);
+
 
   void UnimplementedInstruction() {
     if (abort_on_unimplemented_) {
@@ -948,7 +948,7 @@
   const InstructionDesc& idesc = instruction_table_->Get(*data);
   switch (idesc.type) {
     case ZERO_OPERANDS_INSTR:
-      AppendToBuffer("%s", idesc.mnem);
+      AppendToBuffer(idesc.mnem);
       data++;
       break;