slim: add patch for libpng

slim/.md5sum

@@ -1,3 +1,4 @@
+6d19bd7a91592ed2bb902b22b9594565  libpng.patch
 51543533e492b41007811f7d880720fa  slim-1.3.4.tar.gz
 46349c2dc378b17d5857c5c1d904a636  slim-crux-smooth.tar.gz
 476ce747c77f1a7e116a7f63bfb7d8d3  slim.rc

slim/Pkgfile

@@ -8,11 +8,13 @@ name=slim
 version=1.3.4
 release=1
 source=(http://download.berlios.de/$name/$name-$version.tar.gz \
-        http://jw.tks6.net/files/slim-crux-smooth.tar.gz $name.rc)
+        http://jw.tks6.net/files/slim-crux-smooth.tar.gz libpng.patch $name.rc)
 
 build () {
    cd $name-$version
 
+   patch -i ../libpng.patch -p1
+
    sed -i 's:${MANDIR}:/usr/man:g' CMakeLists.txt
    cmake -DCMAKE_INSTALL_PREFIX=/usr
 

slim/libpng.patch

@@ -0,0 +1,14 @@
+--- a/image.cpp	2012-06-26 04:20:14.000000000 -0400
++++ b/image.cpp	2012-06-27 11:41:34.000000000 -0400
+@@ -781,7 +781,11 @@
+                                 (png_infopp) NULL);
+     }
+ 
++#if PNG_LIBPNG_VER_MAJOR >= 1 && PNG_LIBPNG_VER_MINOR >= 4
++    if (setjmp(png_jmpbuf((png_ptr)))) {
++#else
+     if (setjmp(png_ptr->jmpbuf)) {
++#endif
+         goto png_destroy;
+     }
+