sockets: reorder errno values numerically

Reorder the Errno enum values to be in ascending numerical order,
moving NOMEM (12) to be between AGAIN (11) and INVAL (22). This
improves readability and makes it easier to verify completeness
of the error code list.

src/core/hle/service/sockets/sockets.h

@@ -16,6 +16,7 @@ enum class Errno : u32 {
     SUCCESS = 0,
     BADF = 9,
     AGAIN = 11,
+    NOMEM = 12,
     INVAL = 22,
     MFILE = 24,
     PIPE = 32,
@@ -26,7 +27,6 @@ enum class Errno : u32 {
     TIMEDOUT = 110,
     CONNREFUSED = 111,
     INPROGRESS = 115,
-    NOMEM = 12,
 };
 
 enum class GetAddrInfoError : s32 {