add 32

Author: bvogelzang

appveyor.yml

@@ -21,7 +21,7 @@ install:
   - gem --version
 
   # update all packages on the system
-  - c:/msys64/usr/bin/pacman -S archlinux-keyring
+  - c:/msys64/usr/bin/pacman -S archlinux32-keyring
   - c:/msys64/usr/bin/pacman -Syu --noconfirm
 
   # prevent freetds to link to wrong ws2_32 lib on i686-w64-mingw32