[Fix] Error compiling 32-bit C language shellcode on 64-bit Linux machine

If your Linux is 64-bit and you wanna compile a .c file into a 32-bit .o file by gcc compiler, but get an error as the following while compiling, means that the compiler cannot find the libc-header-start.h file/library. “fatal error: bits/libc-header-start.h: No such file or directory” Now you try checking whether any file named libc-header-start.h