delete extra space at the end of this line 109

Author: loremmoqi

components/libc/posix/io/stdio/stdio.c

@@ -106,7 +106,7 @@ int rt_posix_stdio_set_console(const char* device_name, int mode)
 
 #if defined(_REENT_SMALL) || !defined(__sdidinit)
     /* Newlib >= 3.4.0 or small reent version: no __sdidinit field */
-    /* Do nothing */ 
+    /* Do nothing */
 #else
     /* Older newlib versions (typically < 3.4.0) still define __sdidinit */
     _GLOBAL_REENT->__sdidinit = 1;