finddeps: Use read builtin to iterate over packages

Using parameter substitution might result in unpredictable behaviour
when directories contain whitespaces here. The read shell builtin is the
proper way to read single lines.

Signed-off-by: Lukas Fleischer <archlinux@cryptocrack.de>

finddeps.in

@@ -14,7 +14,7 @@ if [[ -z $match ]]; then
 	exit 0
 fi
 
-for d in "$(find . -type d)"; do
+find . -type d | while read d; do
 	if [[ -f "$d/PKGBUILD" ]]; then
 		unset pkgname depends makedepends
 		. "$d/PKGBUILD"