Fix Travis CI build 3.

ports/ci/appveyor/install_deps.bat

@@ -22,7 +22,20 @@ setlocal
 
 if "%CMAKE_GENERATOR%" == "MSYS Makefiles" set PATH=C:\msys64\usr\bin;%PATH%
 if "%CMAKE_GENERATOR%" == "MSYS Makefiles" (
-    bash -lc "cd /c/projects/akvirtualcamera && ./ports/ci/appveyor/install_deps.sh"
+    pacman --noconfirm -Syyu ^
+        --ignore filesystem,pacman,pacman-mirrors
+    pacman --noconfirm --needed -S ^
+        cmake ^
+        git ^
+        make ^
+        pkgconf ^
+        python3 ^
+        mingw-w64-x86_64-binutils ^
+        mingw-w64-i686-binutils ^
+        mingw-w64-x86_64-cmake ^
+        mingw-w64-i686-cmake ^
+        mingw-w64-x86_64-pkgconf ^
+        mingw-w64-i686-pkgconf
 )
 
 endlocal

ports/ci/appveyor/install_deps.sh

@@ -1,34 +0,0 @@
-#!/bin/bash
-
-# akvirtualcamera, virtual camera for Mac and Windows.
-# Copyright (C) 2021  Gonzalo Exequiel Pedone
-#
-# akvirtualcamera is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# akvirtualcamera is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with akvirtualcamera. If not, see <http://www.gnu.org/licenses/>.
-#
-# Web-Site: http://webcamoid.github.io/
-
-yes | pacman --noconfirm -Syyu \
-    --ignore filesystem,pacman,pacman-mirrors
-yes | pacman --noconfirm --needed -S \
-    cmake \
-    git \
-    make \
-    pkgconf \
-    python3 \
-    mingw-w64-x86_64-binutils \
-    mingw-w64-i686-binutils \
-    mingw-w64-x86_64-cmake \
-    mingw-w64-i686-cmake \
-    mingw-w64-x86_64-pkgconf \
-    mingw-w64-i686-pkgconf