rankmirrors: fix bogus pacman configuration parsing

Valid pacman configuration files do not have to start with a hash for that line
to be a comment, neither do directives need to be in column 0.

Signed-off-by: Andres P <aepd87@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>

scripts/rankmirrors.sh.in

@@ -184,9 +184,9 @@ fi
 
 timesarray=()
 for line in  "${linearray[@]}"; do
-	if [[ $line =~ ^# ]]; then
+	if [[ $line =~ ^[[:space:]]*# ]]; then
 		[[ $TIMESONLY ]] || echo $line
-	elif [[ $line =~ ^Server ]]; then
+	elif [[ $line =~ ^[[:space:]]*Server ]]; then
 
 		# Getting values and times and such
 		server="${line#*= }"