Fix formatting in FirebaseInAppMessaging.podspec

FirebaseInAppMessaging.podspec

@@ -28,17 +28,17 @@ See more product details at https://firebase.google.com/products/in-app-messagin
   base_dir = "FirebaseInAppMessaging/"
   s.ios.source_files = [
     base_dir + "Sources/*.[cmh]",
-	base_dir + "Sources/Analytics/**/*.[cmh]",
-	base_dir + "Sources/Data/**/*.[cmh]",
-	base_dir + "Sources/DefaultUI/**/*.[cmh]",
-	base_dir + "Sources/DisplayTrigger/**/*.[cmh]",
-	base_dir + "Sources/Flows/**/*.[cmh]",
-	base_dir + "Sources/Private/**/*.[cmh]",
-	base_dir + "Sources/Public/**/*.[cmh]",
-	base_dir + "Sources/RenderingObjects/**/*.[cmh]",
-	base_dir + "Sources/Runtime/**/*.[cmh]",
-	base_dir + "Sources/Util/**/*.[cmh]",
-  base_dir + "Swift/Source/**/*.swift",
+	  base_dir + "Sources/Analytics/**/*.[cmh]",
+	  base_dir + "Sources/Data/**/*.[cmh]",
+	  base_dir + "Sources/DefaultUI/**/*.[cmh]",
+	  base_dir + "Sources/DisplayTrigger/**/*.[cmh]",
+	  base_dir + "Sources/Flows/**/*.[cmh]",
+	  base_dir + "Sources/Private/**/*.[cmh]",
+	  base_dir + "Sources/Public/**/*.[cmh]",
+	  base_dir + "Sources/RenderingObjects/**/*.[cmh]",
+	  base_dir + "Sources/Runtime/**/*.[cmh]",
+	  base_dir + "Sources/Util/**/*.[cmh]",
+    base_dir + "Swift/Source/**/*.swift",
     'Interop/Analytics/Public/*.h',
     'FirebaseABTesting/Sources/Private/*.h',
     'FirebaseCore/Extension/*.h',
@@ -47,16 +47,16 @@ See more product details at https://firebase.google.com/products/in-app-messagin
 
   s.tvos.source_files = [
     base_dir + "Sources/*.[cmh]",
-	base_dir + "Sources/Analytics/**/*.[cmh]",
-	base_dir + "Sources/Data/**/*.[cmh]",
-	base_dir + "Sources/DisplayTrigger/**/*.[cmh]",
-	base_dir + "Sources/Flows/**/*.[cmh]",
-	base_dir + "Sources/Private/**/*.[cmh]",
-	base_dir + "Sources/Public/**/*.[cmh]",
-	base_dir + "Sources/RenderingObjects/**/*.[cmh]",
-	base_dir + "Sources/Runtime/**/*.[cmh]",
-	base_dir + "Sources/Util/**/*.[cmh]",
-  base_dir + "Swift/Source/**/*.swift",
+	  base_dir + "Sources/Analytics/**/*.[cmh]",
+	  base_dir + "Sources/Data/**/*.[cmh]",
+	  base_dir + "Sources/DisplayTrigger/**/*.[cmh]",
+	  base_dir + "Sources/Flows/**/*.[cmh]",
+	  base_dir + "Sources/Private/**/*.[cmh]",
+	  base_dir + "Sources/Public/**/*.[cmh]",
+	  base_dir + "Sources/RenderingObjects/**/*.[cmh]",
+	  base_dir + "Sources/Runtime/**/*.[cmh]",
+	  base_dir + "Sources/Util/**/*.[cmh]",
+    base_dir + "Swift/Source/**/*.swift",
     'Interop/Analytics/Public/*.h',
     'FirebaseABTesting/Sources/Private/*.h',
     'FirebaseCore/Extension/*.h',