[google_maps_flutter] ios build fix (#1734)

* ios build fix

* updated changelog and pubspec.yaml

packages/google_maps_flutter/CHANGELOG.md

diff --git a/packages/google_maps_flutter/CHANGELOG.md b/packages/google_maps_flutter/CHANGELOG.md
index ccd7c2d..7cc7628 100644
--- a/packages/google_maps_flutter/CHANGELOG.md
+++ b/packages/google_maps_flutter/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.5.18
+
+* Fixed build issue on iOS.
+
 ## 0.5.17
 
 * Add support for Padding.

packages/google_maps_flutter/ios/google_maps_flutter.podspec

diff --git a/packages/google_maps_flutter/ios/google_maps_flutter.podspec b/packages/google_maps_flutter/ios/google_maps_flutter.podspec
index 00bfed9..4235dcf 100644
--- a/packages/google_maps_flutter/ios/google_maps_flutter.podspec
+++ b/packages/google_maps_flutter/ios/google_maps_flutter.podspec
@@ -16,6 +16,7 @@
   s.public_header_files = 'Classes/**/*.h'
   s.dependency 'Flutter'
   s.dependency 'GoogleMaps'
+  s.compiler_flags = '-fno-modules'
   s.static_framework = true
   s.ios.deployment_target = '8.0'
 end

packages/google_maps_flutter/pubspec.yaml

diff --git a/packages/google_maps_flutter/pubspec.yaml b/packages/google_maps_flutter/pubspec.yaml
index aa97ad9..2f35db1 100644
--- a/packages/google_maps_flutter/pubspec.yaml
+++ b/packages/google_maps_flutter/pubspec.yaml
@@ -2,7 +2,7 @@
 description: A Flutter plugin for integrating Google Maps in iOS and Android applications.
 author: Flutter Team <flutter-dev@googlegroups.com>
 homepage: https://github.com/flutter/plugins/tree/master/packages/google_maps_flutter
-version: 0.5.17
+version: 0.5.18
 
 dependencies:
   flutter: