Log Message:
- Add patches/patch-Makefile.PL to give adhoc work around with clang build,

./curlopt-constants.c:19:58: error: non-void function 'constant' should return a \ 
value [-Wreturn-type]
if (strEQ(name, "DID_MEMORY_FUNC_TYPEDEFS")) return \ 
CURL_DID_MEMORY_FUNC_TYPEDEFS;
                                                    ^