pgm: Add missing dependency on commons-logging

Without this, commands like "jgit repo" that use commons-logging fail.

Change-Id: Ia78198c5e15ac4d6152d832ab2a2498f625486d2
Signed-off-by: Jonathan Nieder <jrn@google.com>

lib/BUILD

@@ -23,7 +23,6 @@ java_library(
 
 java_library(
     name = "commons-logging",
-    testonly = 1,
     visibility = ["//visibility:public"],
     exports = ["@commons-logging//jar"],
 )

org.eclipse.jgit.pgm/BUILD

@@ -7,6 +7,7 @@ java_library(
     deps = [
         ":services",
         "//lib:args4j",
+        "//lib:commons-logging",
         "//lib:httpclient",
         "//lib:httpcore",
         "//lib:jetty-http",