CocoaPods spec doesn't validate

[phatblat]

Using CocoaPods 1.1.1 and Xcode 8.1 the podspec fails to validate due to a "include of non-modular header inside framework module" error.

Validating spec
 -> ABFRealmMapView (1.8)
    - WARN  | source: Git SSH URLs will NOT work for people behind firewalls configured to only allow HTTP, therefore HTTPS is preferred.
    - ERROR | [iOS] xcodebuild: Returned an unsuccessful exit code. You can use `--verbose` for more information.
    - WARN  | xcodebuild:  Realm/Realm/ObjectStore/src/sync_session.cpp:293:17: warning: enumeration values 'invalid_error' and 'disabled_session' not handled in switch [-Wswitch]
    - ERROR | xcodebuild:  /Users/admin/Library/Developer/Xcode/DerivedData/App-dleskvpyfcpmljeszyycxycdeqls/Build/Products/Release-iphonesimulator/ABFRealmMapView/ABFRealmMapView.framework/Headers/ABFLocationFetchRequest.h:14:9: error: include of non-modular header inside framework module 'ABFRealmMapView.ABFLocationFetchRequest' [-Werror,-Wnon-modular-include-in-framework-module]
    - ERROR | xcodebuild:  /Users/admin/Library/Developer/Xcode/DerivedData/App-dleskvpyfcpmljeszyycxycdeqls/Build/Products/Release-iphonesimulator/ABFRealmMapView/ABFRealmMapView.framework/Headers/ABFLocationFetchedResultsController.h:17:9: error: include of non-modular header inside framework module 'ABFRealmMapView.ABFLocationFetchedResultsController' [-Werror,-Wnon-modular-include-in-framework-module]
    - NOTE  | [iOS] xcodebuild:  /var/folders/rj/b3q1yrj102s6d7m3bcfv0_hw0000gn/T/CocoaPods/Lint/App/main.m:3:9: fatal error: could not build module 'ABFRealmMapView'

[!] The `ABFRealmMapView.podspec.json` specification does not validate.

[bigfish24]

Fixed: 26a0998