Refactor the GDK_NATIVE_WINDOWS patch

Follow the Fedora patch and put it into npw-viewer.sh. It's a little
cleaner than in the Makefile.

Makefile

@@ -265,11 +265,6 @@ install.viewer.glue::
 	echo "#!/bin/sh" > $$p;								\
 	echo "TARGET_OS=$(TARGET_OS)" >> $$p;						\
 	echo "TARGET_ARCH=$(TARGET_ARCH)" >> $$p;					\
-	echo 'case "$$*" in' >> $$p; 							\
-	echo "*libflashplayer*)" >> $$p; 						\
-	echo "	export GDK_NATIVE_WINDOWS=1" >> $$p; 					\
-	echo "	;;" >> $$p; 								\
-	echo "esac" >> $$p; 								\
 	echo ". $(npcommondir)/$(nploader_PROGRAM)" >> $$p;			\
 	chmod 755 $$p
 do.install.libnoxshm: $(libnoxshm_LIBRARY)

src/npw-viewer.sh

@@ -5,6 +5,12 @@
 OS="`uname -s | tr '[A-Z]' '[a-z]'`"
 ARCH="`uname -m`"
 
+case "$*" in
+    *libflashplayer*)
+	export GDK_NATIVE_WINDOWS=1
+	;;
+esac
+
 if test -z "$TARGET_OS"; then
     echo "*** NSPlugin Viewer *** error, TARGET_OS not initialized"
     exit 1