Add POSIX library listing for Mac OSX

BepInEx/Console/Unix/UnixStreamHelper.cs

@@ -41,8 +41,9 @@ namespace BepInEx.Unix
 			{
 				["libc"] = new List<DynDllMapping>
 				{
-					"libc",
-					"libc.so.6", // Fuck you Ubuntu!!!!!!!!!!
+					"libc", // Linux glibc
+					"libc.so.6", // Ubuntu glibc
+					"/usr/lib/libSystem.dylib", // OSX POSIX
 				}
 			};