Work around libcurl cflags not working on hacked up mingw installations on windows.
diff --git a/Makefile.am b/Makefile.am
index 2c3230e..85dd170 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -26,7 +26,12 @@ cgminer_LDADD = $(DLOPEN_FLAGS) @LIBCURL_LIBS@ @JANSSON_LIBS@ @PTHREAD_LIBS@ \
@OPENCL_LIBS@ @NCURSES_LIBS@ @PDCURSES_LIBS@ @WS2_LIBS@ \
@UDEV_LIBS@ @USB_LIBS@ \
@MATH_LIBS@ lib/libgnu.a ccan/libccan.a
+
+if HAVE_WINDOWS
+cgminer_CPPFLAGS = -I$(top_builddir)/lib -I$(top_srcdir)/lib @OPENCL_FLAGS@
+else
cgminer_CPPFLAGS = -I$(top_builddir)/lib -I$(top_srcdir)/lib @OPENCL_FLAGS@ @LIBCURL_CFLAGS@
+endif
# common sources
cgminer_SOURCES := cgminer.c