Rename the C function to create a SLPVectorizerPass to something sane and expose it in the header file.

llvm-svn: 179272
diff --git a/llvm/include/llvm-c/Transforms/Vectorize.h b/llvm/include/llvm-c/Transforms/Vectorize.h
index 68a9bdd..c9102da 100644
--- a/llvm/include/llvm-c/Transforms/Vectorize.h
+++ b/llvm/include/llvm-c/Transforms/Vectorize.h
@@ -39,6 +39,9 @@
 /** See llvm::createLoopVectorizePass function. */
 void LLVMAddLoopVectorizePass(LLVMPassManagerRef PM);
 
+/** See llvm::createSLPVectorizerPass function. */
+void LLVMAddSLPVectorizePass(LLVMPassManagerRef PM);
+
 /**
  * @}
  */