Reset OS X deployment target to 10.5, we're not abandoning Leopard or anything

platform/macosx/love.xcodeproj/project.pbxproj

@@ -1792,7 +1792,7 @@
 				);
 				INFOPLIST_FILE = "love-Info.plist";
 				LIBRARY_SEARCH_PATHS = "";
-				MACOSX_DEPLOYMENT_TARGET = 10.6;
+				MACOSX_DEPLOYMENT_TARGET = 10.5;
 				ONLY_ACTIVE_ARCH = YES;
 				OTHER_LDFLAGS = "";
 				PRODUCT_NAME = love;
@@ -1846,7 +1846,7 @@
 				INFOPLIST_FILE = "love-Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "@loader_path/../Frameworks";
 				LIBRARY_SEARCH_PATHS = "";
-				MACOSX_DEPLOYMENT_TARGET = 10.6;
+				MACOSX_DEPLOYMENT_TARGET = 10.5;
 				ONLY_ACTIVE_ARCH = NO;
 				OTHER_LDFLAGS = "";
 				PRODUCT_NAME = love;