Applied patch from #2582.

git-svn-id: http://svn.osgeo.org/qgis/trunk@13174 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: wonder

python/utils.py

@@ -262,6 +262,8 @@ def showPluginHelp(packageName=None,filename="index",section=""):
     helpfile = os.path.join(path,filename+"-en.html")
   if not os.path.exists(helpfile):    
     helpfile = os.path.join(path,filename+"-en_US.html")
+  if not os.path.exists(helpfile):    
+    helpfile = os.path.join(path,filename+".html")
   if os.path.exists(helpfile):
     url = "file://"+helpfile
     if section != "":