fltk: move .a to development package

The .a file is needed by other pkg(s), e.g. rasterview

srcpkgs/fltk/template

@@ -1,7 +1,7 @@
 # Template file for 'fltk'
 pkgname=fltk
 version=1.3.5
-revision=1
+revision=2
 build_style=gnu-configure
 configure_args="--enable-threads --enable-xft --enable-shared"
 hostmakedepends="man-db"
@@ -26,7 +26,6 @@ post_build() {
 
 post_install() {
 	rm -rf ${DESTDIR}/usr/share/man/cat[13]
-	rm -f ${DESTDIR}/usr/lib/*.a
 }
 
 fltk-devel_package() {
@@ -39,5 +38,6 @@ fltk-devel_package() {
 		vmove usr/share/man/man3
 		vmove usr/share/doc
 		vmove usr/lib/*.so
+		vmove usr/lib/*.a
 	}
 }