fix errors in case of hockeyapp target.

Pods/Target Support Files/HockeySDK/ResourceBundle-HockeySDKResources-Info.plist

@@ -5,7 +5,7 @@
   <key>CFBundleDevelopmentRegion</key>
   <string>en</string>
   <key>CFBundleIdentifier</key>
-	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+  <string>${PRODUCT_BUNDLE_IDENTIFIER}</string>
   <key>CFBundleInfoDictionaryVersion</key>
   <string>6.0</string>
   <key>CFBundleName</key>