disable assertions for distribution

VLC for iOS.xcodeproj/project.pbxproj

@@ -2889,6 +2889,7 @@
 				CLANG_ENABLE_OBJC_ARC = YES;
 				COPY_PHASE_STRIP = NO;
 				DEAD_CODE_STRIPPING = NO;
+				ENABLE_NS_ASSERTIONS = YES;
 				EXCLUDED_SOURCE_FILE_NAMES = "";
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(inherited)",
@@ -2934,6 +2935,7 @@
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Distribution";
 				COPY_PHASE_STRIP = YES;
 				DEAD_CODE_STRIPPING = NO;
+				ENABLE_NS_ASSERTIONS = NO;
 				EXCLUDED_SOURCE_FILE_NAMES = "";
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(inherited)",
@@ -3006,6 +3008,7 @@
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Distribution";
 				COPY_PHASE_STRIP = YES;
 				DEAD_CODE_STRIPPING = NO;
+				ENABLE_NS_ASSERTIONS = NO;
 				EXCLUDED_SOURCE_FILE_NAMES = "iTunesArtwork*";
 				FRAMEWORK_SEARCH_PATHS = (
 					"$(inherited)",