appveyor.yml: Fix msys update which crashes after a new msys-runtime-devel

package update.

Signed-off-by: AlexandraTrifan <[email protected]>

Author: AlexandraTrifan

appveyor.yml

@@ -38,7 +38,8 @@ build_script:
     - C:\msys64\usr\bin\bash -lc "pwd"
     - mkdir C:\projects\libiio\build-mingw-win32\"%configuration%"& cd C:\projects\libiio\build-mingw-win32\"%configuration%"
     - C:\msys64\usr\bin\bash -lc "pwd"
-    - C:\msys64\usr\bin\bash -lc "pacman --noconfirm -Syu"
+    - C:\msys64\usr\bin\bash -lc "pacman --noconfirm -Sy pacman"
+    - C:\msys64\usr\bin\bash -lc "pacman --noconfirm -Su"
     - C:\msys64\usr\bin\bash -lc "pacman -Rs --noconfirm mingw-w64-i686-gcc-ada mingw-w64-i686-gcc-fortran mingw-w64-i686-gcc-libgfortran mingw-w64-i686-gcc-objc"
     - C:\msys64\usr\bin\bash -lc "rm /mingw32/etc/gdbinit"
     - C:\msys64\usr\bin\bash -lc "pacman --noconfirm -Sy  mingw-w64-i686-gcc mingw-w64-i686-libusb mingw-w64-i686-curl mingw-w64-i686-cmake mingw-w64-i686-libxml2 mingw-w64-i686-pkg-config mingw-w64-i686-libzip"
@@ -62,7 +63,8 @@ build_script:
     - C:\msys64\usr\bin\bash -lc "pacman -Rs --noconfirm mingw-w64-x86_64-gcc-ada mingw-w64-x86_64-gcc-fortran mingw-w64-x86_64-gcc-libgfortran mingw-w64-x86_64-gcc-objc"
     - C:\msys64\usr\bin\bash -lc "rm /mingw64/etc/gdbinit"
     - C:\msys64\usr\bin\bash -lc "pacman --noconfirm -Sy mingw-w64-x86_64-gcc mingw-w64-x86_64-libusb mingw-w64-x86_64-curl mingw-w64-x86_64-cmake mingw-w64-x86_64-libxml2 mingw-w64-x86_64-pkg-config mingw-w64-x86_64-libzip"
-    - C:\msys64\usr\bin\bash -lc "pacman --noconfirm -Syu"
+    - C:\msys64\usr\bin\bash -lc "pacman --noconfirm -Sy pacman"
+    - C:\msys64\usr\bin\bash -lc "pacman --noconfirm -Su"
     # Newer llvm breaks doxygen, use old version for now
     - C:\msys64\usr\bin\bash -lc "pacman -U --noconfirm http://repo.msys2.org/mingw/x86_64/mingw-w64-x86_64-llvm-5.0.0-3-any.pkg.tar.xz http://repo.msys2.org/mingw/x86_64/mingw-w64-x86_64-clang-5.0.0-3-any.pkg.tar.xz"
     # set the specific version of doxygen, need to look at this later.