fix issue with alternate syntax

patches/prepatch.sh

@@ -19,14 +19,14 @@ enable_install=false
 if [ "@$3" == "@--install" ]; then
     enable_install=true
     branch="$4"
-fi
+elif [ "@$2" == "@--install" ]; then
-if [ "@$2" == "@--install" ]; then
     enable_install=true
     branch="$3"
-fi
+elif [ "@$1" == "@--install" ]; then
-if [ "@$1" == "@--install" ]; then
     enable_install=true
     branch="$2"
+else
+    branch="$2"
 fi
 project0=Bucket_Game
 project1=basis