wxWidgets: fix gcc6 build

srcpkgs/wxWidgets/patches/fix-gcc6-disambiguate-abs.patch

@@ -0,0 +1,14 @@
+--- src/stc/scintilla/src/Editor.cxx	2014-10-06 23:33:44.000000000 +0200
++++ src/stc/scintilla/src/Editor.cxx	2016-09-18 15:34:29.359258750 +0200
+@@ -5841,9 +5841,9 @@
+ }
+ 
+ static bool Close(Point pt1, Point pt2) {
+-	if (abs(pt1.x - pt2.x) > 3)
++	if (abs(static_cast<int>(pt1.x - pt2.x)) > 3)
+ 		return false;
+-	if (abs(pt1.y - pt2.y) > 3)
++	if (abs(static_cast<int>(pt1.y - pt2.y)) > 3)
+ 		return false;
+ 	return true;
+ }

srcpkgs/wxWidgets/template

@@ -1,7 +1,7 @@
 # Template file for 'wxWidgets'
 pkgname=wxWidgets
 version=3.0.2
-revision=3
+revision=4
 build_style=gnu-configure
 configure_args="--enable-unicode --with-opengl --with-sdl --with-libmspack
  --with-libnotify --enable-mediactrl"