fix cross-compile on non-Linux

package/fltk/Makefile

@@ -5,7 +5,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=		fltk
 PKG_VERSION:=		2.0
-PKG_RELEASE:=		2
+PKG_RELEASE:=		3
 PKG_MD5SUM:=		557544badbacca4ee1ebb2448f6e1f8a
 PKG_DESCR:=		fast light toolkit
 PKG_SECTION:=		libs

package/fltk/patches/patch-configure

@@ -0,0 +1,11 @@
+--- fltk-2.0.x-r7513.orig/configure	2010-04-16 10:02:53.000000000 +0200
++++ fltk-2.0.x-r7513/configure	2010-12-05 21:10:58.000000000 +0100
+@@ -1770,7 +1770,7 @@ FL_API_VERSION=${FL_MAJOR_VERSION}.${FL_
+ 
+ 
+ 
+-uname=`uname`
++uname=Linux
+ uversion=`uname -r | sed -e '1,$s/[^0-9]//g'`
+ case $uname in
+   IRIX*)