check_gentoo_portage: Fix missing comma leading to invalid timestamp file path

Signed-off-by: NexAdn <git@nexadn.de>

check_gentoo_portage

@@ -30,7 +30,7 @@ from optparse import OptionParser
 
 __author__ = "Hari Sekhon, Jennifer Graul"
 __title__ = "Nagios Plugin for Gentoo Portage"
-__version__ = "1.0.0"
+__version__ = "1.0.1"
 
 # Standard Nagios return codes
 OK = 0
@@ -48,7 +48,7 @@ EMERGE = "/usr/bin/emerge"
 # determining the last synced time, as emerge --info doesn't give this
 # in the older versions
 TIMESTAMP_LOCATIONS = (
-    "/var/db/repos/gentoo/metadata/timestamp.chk"
+    "/var/db/repos/gentoo/metadata/timestamp.chk",
     "/usr/portage/metadata/timestamp.chk",
     "/var/cache/edb/dep/timestamp.chk"
 )