Support multiple arguments to patch.sh

[The-Compiler]

$ bash patch.sh qt5-{base,imageformats,virtualkeyboard,webkit}                                               
+ ((  4 == 0  ))
+ packages='qt5-base qt5-imageformats qt5-virtualkeyboard qt5-webkit'
+ patch_qt 'qt5-base qt5-imageformats qt5-virtualkeyboard qt5-webkit'
+ for pkg in '"$@"'
+ [[ qt5-base qt5-imageformats qt5-virtualkeyboard qt5-webkit != *qt5-* ]]
+ grep -q _orig_pkgname qt5-base qt5-imageformats qt5-virtualkeyboard qt5-webkit/PKGBUILD
grep: qt5-base: Is a directory
grep: qt5-imageformats: Is a directory
grep: qt5-virtualkeyboard: Is a directory
+ sed -i 's|^pkgname=.*|&-debug\n_orig_pkgname=${pkgname/-debug/}|' qt5-base qt5-imageformats qt5-virtualkeyboard qt5-webkit/PKGBUILD
sed: couldn't edit qt5-base: not a regular file