hfsfuse: Use unprefixed FUSE header for compatibility

More systems support this out of the box, and those that don't can
be handled by adding to the include path, while the inverse is not true.

This is also the expected header when using pkg-config to discover FUSE,
though we don't do this currently, and not all systems that break from
this convention ship with a fuse.pc.

Makefile

@@ -28,7 +28,7 @@ ifeq ($(OS), Darwin)
 else ifeq ($(OS), Haiku)
 	CFLAGS += -D_BSD_SOURCE
 	APP_LIB += -lbsd
-	FUSE_FLAGS += -I/system/develop/headers/userlandfs -I/system/develop/headers/bsd
+	FUSE_FLAGS += -I/system/develop/headers/userlandfs/fuse -I/system/develop/headers/bsd
 	FUSE_LIB = -L/system/lib/ -luserlandfs_fuse
 	PREFIX ?= /boot/home/config/non-packaged
 else ifeq ($(OS), FreeBSD)

src/hfsfuse.c

@@ -29,7 +29,7 @@
 #include <errno.h>
 #include <limits.h>
 #include <inttypes.h>
-#include <fuse/fuse.h>
+#include <fuse.h>
 
 #ifndef HFSFUSE_VERSION_STRING
 #include "version.h"