llvmc: Fix alias generation.

llvm-svn: 111662
diff --git a/llvm/utils/TableGen/LLVMCConfigurationEmitter.cpp b/llvm/utils/TableGen/LLVMCConfigurationEmitter.cpp
index 26e9fa4..4ab4b08 100644
--- a/llvm/utils/TableGen/LLVMCConfigurationEmitter.cpp
+++ b/llvm/utils/TableGen/LLVMCConfigurationEmitter.cpp
@@ -2427,7 +2427,7 @@
     const OptionDescription& val = *B;
 
     O << val.GenTypeDeclaration() << ' '
-      << val.GenVariableName()
+      << val.GenPlainVariableName()
       << "(\"" << val.Name << '\"';
 
     const OptionDescription& D = descs.FindOption(val.Help);