bustage fix - need to pull date where 3.0b5pre exists

tools/release/configs/fx-moz19-staging-bootstrap.cfg

@@ -5,7 +5,7 @@ productTag      = FIREFOX_3_0b5
 # Branch name and pull dates to use for base tag
 branchTag       = HEAD
 #RelbranchOverride = GECKO190_20071207_RELBRANCH
-pullDate        = 2008-03-03 09:00 PST
+pullDate        = 2008-03-13 09:00 PST
 l10n_pullDate   = 2008-03-13 09:00 PST
 rc              = 1
 # oldVersion and oldRc refer to the previous release