Apply Windows cmark fallback before CPPFLAGS

Author: danjboyd

ObjcMarkdown/GNUmakefile

@@ -8,10 +8,6 @@ CMARK_LIBS := $(shell pkg-config --libs $(CMARK_PKG) 2>/dev/null)
 CMARK_MANAGED_INCLUDE_WIN := $(if $(GP_GNUSTEP_CLI_ROOT),$(subst \,/,$(GP_GNUSTEP_CLI_ROOT))/clang64/include)
 CMARK_MANAGED_INCLUDE := $(shell if [ -n "$$GP_GNUSTEP_CLI_ROOT" ]; then root="$$(cygpath -u "$$GP_GNUSTEP_CLI_ROOT" 2>/dev/null)"; if [ -n "$$root" ]; then printf '%s/clang64/include' "$$root"; fi; fi)
 OBJCMARKDOWN_ENABLE_TOML_THEME ?= 1
-
-ObjcMarkdown_OBJC_FILES = OMMarkdownRenderer.m OMTheme.m OMMarkdownParsingOptions.m
-ObjcMarkdown_HEADER_FILES = OMMarkdownRenderer.h OMTheme.h OMMarkdownParsingOptions.h
-ObjcMarkdown_CPPFLAGS += $(CMARK_CFLAGS) -DOBJCMARKDOWN_ENABLE_TOML_THEME=$(OBJCMARKDOWN_ENABLE_TOML_THEME)
 ifneq (,$(findstring mingw,$(GNUSTEP_HOST_OS)))
 ObjcMarkdown_OBJCFLAGS += -include sys/types.h "-Dmode_t=unsigned short"
 ObjcMarkdown_LIBRARIES_DEPEND_UPON += -lgdiplus
@@ -23,6 +19,10 @@ CMARK_CFLAGS := -I/clang64/include
 endif
 endif
 endif
+
+ObjcMarkdown_OBJC_FILES = OMMarkdownRenderer.m OMTheme.m OMMarkdownParsingOptions.m
+ObjcMarkdown_HEADER_FILES = OMMarkdownRenderer.h OMTheme.h OMMarkdownParsingOptions.h
+ObjcMarkdown_CPPFLAGS += $(CMARK_CFLAGS) -DOBJCMARKDOWN_ENABLE_TOML_THEME=$(OBJCMARKDOWN_ENABLE_TOML_THEME)
 ifeq ($(OBJCMARKDOWN_ENABLE_TOML_THEME),1)
 ObjcMarkdown_C_FILES = ../third_party/tomlc99/toml.c
 ObjcMarkdown_CPPFLAGS += -I../third_party/tomlc99