ensure that PKGBUILDs aren't sourced via PATH

Fixes FS#36378.

Signed-off-by: Dave Reisner <dreisner@archlinux.org>
Signed-off-by: Pierre Schmitz <pierre@archlinux.de>

checkpkg.in

@@ -18,7 +18,7 @@ if [[ ! -f PKGBUILD ]]; then
 	die 'This must be run in the directory of a built package.'
 fi
 
-. PKGBUILD
+. ./PKGBUILD
 if [[ $arch == 'any' ]]; then
 	CARCH='any'
 fi

commitpkg.in

@@ -36,7 +36,7 @@ if [[ ! -f PKGBUILD ]]; then
 	die 'No PKGBUILD file'
 fi
 
-. PKGBUILD
+. ./PKGBUILD
 pkgbase=${pkgbase:-$pkgname}
 
 case "$cmd" in