Properly escape dashes in TableGen's LLVMC2 emitter.
Patch by Patrick Walton!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58901 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/LLVMCConfigurationEmitter.cpp b/utils/TableGen/LLVMCConfigurationEmitter.cpp
index 4372903..3425352 100644
--- a/utils/TableGen/LLVMCConfigurationEmitter.cpp
+++ b/utils/TableGen/LLVMCConfigurationEmitter.cpp
@@ -162,8 +162,8 @@
       else if (cur_char == '+') {
         ret += "_plus_";
       }
-      else if (cur_char == ',') {
-        ret += "_comma_";
+      else if (cur_char == '-') {
+        ret += "_dash_";
       }
       else {
         ret.push_back(cur_char);