The 'mips' symbol is special on MIPS platforms, so rename it to prevent a
conflict.

Index: cs.c
--- cs.c.orig
+++ cs.c
@@ -1312,8 +1312,8 @@ int CAPSTONE_API cs_op_count(csh ud, const cs_insn *in
 					count++;
 			break;
 		case CS_ARCH_MIPS:
-			for (i = 0; i < insn->detail->mips.op_count; i++)
-				if (insn->detail->mips.operands[i].type == (mips_op_type)op_type)
+			for (i = 0; i < insn->detail->mipsen.op_count; i++)
+				if (insn->detail->mipsen.operands[i].type == (mips_op_type)op_type)
 					count++;
 			break;
 		case CS_ARCH_PPC:
@@ -1420,8 +1420,8 @@ int CAPSTONE_API cs_op_index(csh ud, const cs_insn *in
 			}
 			break;
 		case CS_ARCH_MIPS:
-			for (i = 0; i < insn->detail->mips.op_count; i++) {
-				if (insn->detail->mips.operands[i].type == (mips_op_type)op_type)
+			for (i = 0; i < insn->detail->mipsen.op_count; i++) {
+				if (insn->detail->mipsen.operands[i].type == (mips_op_type)op_type)
 					count++;
 				if (count == post)
 					return i;