codegen: Fix regex literal compile flags
codegen: Fix regex literal compile flags

The GRegex GRegexCompileFlags were declared as GRegexMatchFlags, leading
to a C compiler warning.

frida/vala,frida/vala,GNOME/vala,frida/vala,GNOME/vala,frida/vala,GNOME/vala,GNOME/vala,frida/vala