Make sure we quote the framework search path

This handles paths with spaces in them.

Author: slouken

Xcode/SDL_image.xcodeproj/project.pbxproj

@@ -608,9 +608,9 @@
 				DYLIB_CURRENT_VERSION = 201.0.0;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				ENABLE_TESTABILITY = YES;
-				"FRAMEWORK_SEARCH_PATHS[sdk=appletv*]" = "$(PROJECT_DIR)/iOS";
-				"FRAMEWORK_SEARCH_PATHS[sdk=iphone*]" = "$(PROJECT_DIR)/iOS";
-				"FRAMEWORK_SEARCH_PATHS[sdk=macosx*]" = "$(PROJECT_DIR)/macOS";
+				"FRAMEWORK_SEARCH_PATHS[sdk=appletv*]" = "\"$(PROJECT_DIR)/iOS\"";
+				"FRAMEWORK_SEARCH_PATHS[sdk=iphone*]" = "\"$(PROJECT_DIR)/iOS\"";
+				"FRAMEWORK_SEARCH_PATHS[sdk=macosx*]" = "\"$(PROJECT_DIR)/macOS\"";
 				GCC_OPTIMIZATION_LEVEL = 0;
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					USE_STBIMAGE,
@@ -673,9 +673,9 @@
 				DYLIB_COMPATIBILITY_VERSION = 201.0.0;
 				DYLIB_CURRENT_VERSION = 201.0.0;
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
-				"FRAMEWORK_SEARCH_PATHS[sdk=appletv*]" = "$(PROJECT_DIR)/iOS";
-				"FRAMEWORK_SEARCH_PATHS[sdk=iphone*]" = "$(PROJECT_DIR)/iOS";
-				"FRAMEWORK_SEARCH_PATHS[sdk=macosx*]" = "$(PROJECT_DIR)/macOS";
+				"FRAMEWORK_SEARCH_PATHS[sdk=appletv*]" = "\"$(PROJECT_DIR)/iOS\"";
+				"FRAMEWORK_SEARCH_PATHS[sdk=iphone*]" = "\"$(PROJECT_DIR)/iOS\"";
+				"FRAMEWORK_SEARCH_PATHS[sdk=macosx*]" = "\"$(PROJECT_DIR)/macOS\"";
 				GCC_GENERATE_DEBUGGING_SYMBOLS = NO;
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					USE_STBIMAGE,