Updated iOS deployment target to iOS 5.1

README-ios.txt

@@ -1,5 +1,5 @@
 ==============================================================================
-Building the Simple DirectMedia Layer for iPhone OS 2.0
+Building the Simple DirectMedia Layer for iPhone OS 5.1
 ==============================================================================
 
 Requirements: Mac OS X v10.5 or later and the iPhone SDK.

Xcode-iOS/SDL/SDL.xcodeproj/project.pbxproj

@@ -1285,6 +1285,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				COPY_PHASE_STRIP = NO;
+				IPHONEOS_DEPLOYMENT_TARGET = 5.1;
 				PRODUCT_NAME = SDL2;
 				SKIP_INSTALL = YES;
 			};
@@ -1294,6 +1295,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				COPY_PHASE_STRIP = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 5.1;
 				PRODUCT_NAME = SDL2;
 				SKIP_INSTALL = YES;
 			};