- don't overwrite files if size differs in ProjectExtensionManager

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@8753 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

sdk/jme3-core/src/com/jme3/gde/core/j2seproject/ProjectExtensionManager.java

@@ -444,9 +444,11 @@ public class ProjectExtensionManager {
                         fo.delete();
                     }
                     fo = FileUtil.createData(projectRoot, fileName);
+                    if (entry.getSize() != fo.getSize()) {
                         writeFile(str, fo);
                     }
                 }
+            }
         } finally {
             in.close();
         }