Optimization: strlen has been called more than once over same string

[0xTheProDev]

Link:

• https://github.com/BytesClub/serverX/blob/master/src/serverXL.c#L890
• https://github.com/BytesClub/serverX/blob/master/src/serverXL.c#L898

[krhitesh]

Instead of: char* t = calloc(strlen(s) + 1, 1); //Line 890 use: int s_len;

char* t = calloc(s_len=strlen(s) + 1, 1); Use s_len in Line 898 too instead of strlen(s).

[0xTheProDev]

@hitesh1157 Thanks for your suggestion. You may look into this issue and send us pull request when you're done. In the meantime, we will like you to go through our Contribution Guide and Coding Style.