winetricks_set_wineprefix: replace which with command -v

src/winetricks

@@ -5082,7 +5082,7 @@ winetricks_set_wineprefix()
     if test -d "${W_DRIVE_C}/windows/syswow64"; then
         # Check the bitness of wineserver + wine binary, used later to determine if we're on a WOW setup (no wine64)
         # https://github.com/Winetricks/winetricks/issues/2030
-        WINESERVER_BIN="$(which "${WINESERVER}")"
+        WINESERVER_BIN="$(command -v "${WINESERVER}")"
 
         # wineboot often is a link pointing to wineapploader in Wine's bindir. If we don't find binaries we may look for them there later
         if [ -n "${READLINK_F}" ]; then
@@ -5116,7 +5116,7 @@ winetricks_set_wineprefix()
             w_warn "Unknown file arch of ${WINESERVER_BIN}."
         fi
 
-        WINE_BIN="$(which "${WINE}")"
+        WINE_BIN="$(command -v "${WINE}")"
         _W_wine_binary_arch="$(winetricks_get_file_arch "${WINE_BIN}")"
         if [ -z "${_W_wine_binary_arch}" ]; then
             # wine might be a script calling a binary in Wine's bindir.