msys2 builder: redo fontconfig patch, bumb wx

Replace fontconfig gperf bug workaround patch with the one worked out in
the upstream bugzilla report.

Bump wxWidgets version up to current sha to fix an incompatibility with
mingw.

tools/builder/core.sh

@@ -187,7 +187,7 @@ DISTS=$DISTS'
     harfbuzz        https://www.freedesktop.org/software/harfbuzz/release/harfbuzz-1.7.5.tar.bz2                lib/libharfbuzz.a
     sfml            https://github.com/SFML/SFML/archive/013d053277c980946bc7761a2a088f1cbb788f8c.tar.gz        lib/libsfml-system-s.a
     shared-mime-info http://freedesktop.org/~hadess/shared-mime-info-1.9.tar.xz                                 bin/update-mime-database
-    wxwidgets       https://github.com/wxWidgets/wxWidgets/archive/47c0aed3222360f22cd35e8cad307457e51299c2.tar.gz                              lib/libwx_baseu-3.1*.a
+    wxwidgets       https://github.com/wxWidgets/wxWidgets/archive/148079c61858ad04a8faa7fa9c2e2949753f35b6.tar.gz                              lib/libwx_baseu-3.1*.a
     graphite2       https://github.com/silnrsi/graphite/releases/download/1.3.10/graphite2-1.3.10.tgz           lib/libgraphite2.a
     xvidcore        http://downloads.xvid.org/downloads/xvidcore-1.3.4.tar.bz2                                  lib/libxvidcore.a
     fribidi         https://github.com/fribidi/fribidi/releases/download/v1.0.1/fribidi-1.0.1.tar.bz2           lib/libfribidi.a
@@ -241,7 +241,7 @@ MESON_ARGS="--prefix /usr --buildtype release --default-library static -Dintrosp
 DIST_PATCHES=$DIST_PATCHES'
     docbook2x       https://gist.githubusercontent.com/rkitover/0b5dcc95a0703a9b0e0e7eb6d325a98e/raw/e256d2fad8d19633ac8abe02a0d1e119063d1fd9/docbook2x.patch
     graphite2       https://gist.githubusercontent.com/rkitover/418600634d7cf19e2bf1c3708b50c042/raw/839b72d9cda545f2e3b640d743c1bd44b89861b9/graphite2-1.3.10-static.patch
-    fontconfig      https://gist.githubusercontent.com/rkitover/542405b4509bd23daa76c98b15a94627/raw/3730cfa40c1cc067e3b76e84e6b4c45f5ee95e70/fontconfig-gperf.patch
+    fontconfig      https://gist.githubusercontent.com/rkitover/542405b4509bd23daa76c98b15a94627/raw/b1ffcfe67c8da22452858216eac4b86afeb93eae/fontconfig-gperf.patch
     python2         https://gist.githubusercontent.com/rkitover/2d9e5baff1f1cc4f2618dee53083bd35/raw/7f33fcf5470a9f1013ac6ae7bb168368a98fe5a0/python-2.7.14-custom-static-openssl.patch https://gist.githubusercontent.com/rkitover/afab7ed3ac7ce1860c43a258571c8ae1/raw/6f5fc90a7acf5f5c3ffda2edf402b28f469a4b3b/python-2.7.14-static-libintl.patch
     python3         https://gist.githubusercontent.com/rkitover/93d89a679705875c59275fb0a8f22b45/raw/6149e7fa3920d6c674c79448c5a4c9313620e06c/python-3.6.3-custom-static-openssl.patch https://gist.githubusercontent.com/rkitover/b18f19eafda3775a9652cc9cdf3ec914/raw/ed14c34bf9f205ccc3a4684dbdb83f8620162b98/python-3.6.3-static-libintl.patch
     intltool        https://gist.githubusercontent.com/rkitover/d638882f52e5d5f8e392cbf6842cd6d0/raw/dcfbe358bbb8b89f88b40a9c3402494552fd33f8/intltool-0.51.0.patch