Change usage of naclcall and nacljmp pseudo-instructions to match x86 gas

lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp

Index: lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp
diff --git a/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp b/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp
index 3254ae66244e13335ad4e3748e75abf99deb6e6b..5d218b7fe028c226e8c517572cfd546749822671 100644
--- a/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp
+++ b/lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp
@@ -385,6 +385,7 @@ public:
     : ELFX86_32AsmBackend(T, OSABI, CPU) {
     State.PrefixSaved = 0;
     State.PrefixPass = false;
+    State.EmitRaw = false;
   }
 
   bool CustomExpandInst(const MCInst &Inst, MCStreamer &Out) {
@@ -400,6 +401,7 @@ public:
     : ELFX86_64AsmBackend(T, OSABI, CPU) {
     State.PrefixSaved = 0;
     State.PrefixPass = false;
+    State.EmitRaw = false;
   }
 
   bool CustomExpandInst(const MCInst &Inst, MCStreamer &Out) {