Bug #31900 Wrong confusing comment in mysql_com.h header file.

comment fixed as we truly need const_item to be 1 to mark
constant function

include/mysql_com.h

@@ -325,11 +325,11 @@ typedef struct st_udf_args
 
 typedef struct st_udf_init
 {
-  my_bool maybe_null;			/* 1 if function can return NULL */
-  unsigned int decimals;		/* for real functions */
-  unsigned long max_length;		/* For string functions */
-  char	  *ptr;				/* free pointer for function data */
-  my_bool const_item;			/* 0 if result is independent of arguments */
+  my_bool maybe_null;          /* 1 if function can return NULL */
+  unsigned int decimals;       /* for real functions */
+  unsigned long max_length;    /* For string functions */
+  char *ptr;                   /* free pointer for function data */
+  my_bool const_item;          /* 1 if function always returns the same value */
 } UDF_INIT;
 
   /* Constants when using compression */