Fix Copy rootca at each launch instead of copy this if it not exist

src/org/linphone/LinphoneManager.java

@@ -842,7 +842,7 @@ private void copyAssetsFromPackage() throws IOException {
 		copyIfNotExist(R.raw.linphonerc_default, mLinphoneConfigFile);
 		copyFromPackage(R.raw.linphonerc_factory, new File(mLinphoneFactoryConfigFile).getName());
 		copyIfNotExist(R.raw.lpconfig, mLPConfigXsd);
-		copyIfNotExist(R.raw.rootca, mLinphoneRootCaFile);
+		copyFromPackage(R.raw.rootca, mLinphoneRootCaFile);
 	}
 
 	public void copyIfNotExist(int ressourceId, String target) throws IOException {