ARMDisassembler.cpp: Fix utf8 char in comments.

llvm-svn: 157292
diff --git a/llvm/lib/Target/ARM/Disassembler/ARMDisassembler.cpp b/llvm/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
index a251273..fd602aa 100644
--- a/llvm/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
+++ b/llvm/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
@@ -3339,13 +3339,13 @@
 
 static DecodeStatus DecodeThumbBLXOffset(MCInst &Inst, unsigned Val,
                                  uint64_t Address, const void *Decoder) {
-  // Val is passed in as S:J1:J2:imm10H:imm10L:’0’
+  // Val is passed in as S:J1:J2:imm10H:imm10L:'0'
   // Note only one trailing zero not two.  Also the J1 and J2 values are from
   // the encoded instruction.  So here change to I1 and I2 values via:
   // I1 = NOT(J1 EOR S);
   // I2 = NOT(J2 EOR S);
   // and build the imm32 with two trailing zeros as documented:
-  // imm32 = SignExtend(S:I1:I2:imm10H:imm10L:’00’, 32);
+  // imm32 = SignExtend(S:I1:I2:imm10H:imm10L:'00', 32);
   unsigned S = (Val >> 23) & 1;
   unsigned J1 = (Val >> 22) & 1;
   unsigned J2 = (Val >> 21) & 1;
@@ -3477,7 +3477,7 @@
   // I1 = NOT(J1 EOR S);
   // I2 = NOT(J2 EOR S);
   // and build the imm32 with one trailing zero as documented:
-  // imm32 = SignExtend(S:I1:I2:imm10:imm11:’0’, 32);
+  // imm32 = SignExtend(S:I1:I2:imm10:imm11:'0', 32);
   unsigned S = (Val >> 23) & 1;
   unsigned J1 = (Val >> 22) & 1;
   unsigned J2 = (Val >> 21) & 1;