LfsServerText: Fix formatting of invalidPathInfo message

The message is formatted as:

  Invalid pathInfo '/abc' does not match '/{SHA-256}'

but should be:

  Invalid pathInfo: '/abc' does not match '/{SHA-256}'

(i.e. including a colon) to be consistent with other messages.

Change-Id: Ic38aa7d33dd02d7954b95c331a73919a90c69991
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>

org.eclipse.jgit.lfs.server.test/tst/org/eclipse/jgit/lfs/server/fs/DownloadTest.java

@@ -81,7 +81,7 @@ public class DownloadTest extends LfsServerTest {
 			fail("expected RuntimeException");
 		} catch (RuntimeException e) {
 			String error = String.format(
-					"Invalid pathInfo '/%s' does not match '/{SHA-256}'", id);
+					"Invalid pathInfo: '/%s' does not match '/{SHA-256}'", id);
 			assertEquals(formatErrorMessage(SC_UNPROCESSABLE_ENTITY, error),
 					e.getMessage());
 		}

org.eclipse.jgit.lfs.server/resources/org/eclipse/jgit/lfs/server/internal/LfsServerText.properties

@@ -1,5 +1,5 @@
 failedToCalcSignature=Failed to calculate a request signature: {0}
-invalidPathInfo=Invalid pathInfo ''{0}'' does not match ''/'{'SHA-256'}'''
+invalidPathInfo=Invalid pathInfo: ''{0}'' does not match ''/'{'SHA-256'}'''
 objectNotFound=Object ''{0}'' not found
 undefinedS3AccessKey=S3 configuration: 'accessKey' is undefined
 undefinedS3Bucket=S3 configuration: 'bucket' is undefined