Merge pull request #136 from vszakats/mingw-allow-custom-cflags

mingw build: allow to pass custom CFLAGS

lib/Makefile.m32

@@ -55,7 +55,7 @@ LIBCARES_PATH = $(PROOT)/ares
 endif
 
 CC	= $(CROSSPREFIX)gcc
-CFLAGS	= -g -O2 -Wall
+CFLAGS	= $(CURL_CFLAG_EXTRAS) -g -O2 -Wall
 CFLAGS	+= -fno-strict-aliasing
 # comment LDFLAGS below to keep debug info
 LDFLAGS	= -s
@@ -323,5 +323,3 @@ $(PROOT)/include/curl/curlbuild.h:
 
 $(LIBCARES_PATH)/libcares.a:
 	$(MAKE) -C $(LIBCARES_PATH) -f Makefile.m32
-
-