A lot of colons are used in the diagnostic logs. Changed to use [INFO] in this case since it fits better with usage elsewhere.

git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/logging/trunk@377187 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/commons/logging/impl/LogFactoryImpl.java

@@ -1095,7 +1095,7 @@ public class LogFactoryImpl extends LogFactory {
             } catch (Throwable t) {
                 this.logMethod = null;
                 logDiagnostic(
-                    "info: '" + logAdapterClassName 
+                    "[INFO] '" + logAdapterClassName 
                     + "' from classloader " + objectId(currentCL)
                     + " does not declare optional method "
                     + "setLogFactory(LogFactory)");