Add "IOS" to Urho.iOS.csproj

MakeiOS

@@ -60,3 +60,6 @@ events.o:
 
 ApplicationProxy.o:
 	$(CPP) -c -o $(OUTPUT_DIR)/ApplicationProxy.o bindings/Native/ApplicationProxy.cpp
+
+Urho.iOS.dll:
+	/Applications/Xamarin\ Studio.app/Contents/MacOS/mdtool -v build "--configuration:Release" -p:Urho.iOS Urho.sln

bindings/Android/UrhoSurface.cs

@@ -22,7 +22,7 @@ namespace Urho.Droid
 		[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
 		public delegate int SdlCallback(IntPtr context);
 
-		[DllImport("mono-urho", CallingConvention = CallingConvention.Cdecl)]
+		[DllImport(Consts.NativeImport, CallingConvention = CallingConvention.Cdecl)]
 		internal static extern void RegisterSdlLauncher(SdlCallback callback);
 
 		/// <summary>

bindings/Portable/Consts.cs

@@ -5,7 +5,7 @@ namespace Urho
 {
 	internal static class Consts
 	{
-#if __IOS__
+#if IOS
 		public const string NativeImport = "@rpath/Urho.framework/Urho";
 #else
 		public const string NativeImport = "mono-urho";

bindings/Urho.iOS.csproj

@@ -15,7 +15,7 @@
     <DebugType>full</DebugType>
     <Optimize>false</Optimize>
     <OutputPath>bin\Debug</OutputPath>
-    <DefineConstants>DEBUG;</DefineConstants>
+    <DefineConstants>DEBUG;__MOBILE__;__IOS__;IOS;</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <ConsolePause>false</ConsolePause>
@@ -31,6 +31,7 @@
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
     <DocumentationFile>
     </DocumentationFile>
+    <DefineConstants>__MOBILE__;__IOS__;IOS;</DefineConstants>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />