fixup for latest mingw

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@38343 72102866-910b-0410-8b05-ffd578937521

ChangeLog

@@ -1,3 +1,11 @@
+2015-02-15  Richard Frith-Macdonald <rfm@gnu.org>
+
+	* config/objc-sys-dynamic.m4: Check for windows before anything else
+	* configure: regenerate
+	Apparently recent mingw implements headers which folled configure
+	into using dlopen() with doesn't support native windows paths ...
+	change order of checks so we still use the native API.
+
 2015-02-14  Richard Frith-Macdonald <rfm@gnu.org>
 
 	* Source/NSThread.m: Be more agressive about releasing thread

config/objc-sys-dynamic.m4

@@ -13,12 +13,12 @@ AC_REQUIRE([OBJC_CON_AUTOLOAD])dnl
 #		in objc-load.c (i.e. #include "${DYNAMIC_LINKER}-load.h")
 #--------------------------------------------------------------------
 DYNAMIC_LINKER=null
-AC_CHECK_HEADER(dlfcn.h, DYNAMIC_LINKER=simple)
+AC_CHECK_HEADER(windows.h, DYNAMIC_LINKER=win32)
 if test $DYNAMIC_LINKER = null; then
-  AC_CHECK_HEADER(dl.h, DYNAMIC_LINKER=hpux)
+  AC_CHECK_HEADER(dlfcn.h, DYNAMIC_LINKER=simple)
 fi
 if test $DYNAMIC_LINKER = null; then
-  AC_CHECK_HEADER(windows.h, DYNAMIC_LINKER=win32)
+  AC_CHECK_HEADER(dl.h, DYNAMIC_LINKER=hpux)
 fi
 if test $DYNAMIC_LINKER = null; then
   AC_CHECK_HEADER(dld/defs.h, DYNAMIC_LINKER=dld)