fix out of bounds read with "ds" command
fix out-of-bounds write in r_anal_reflines_str
fix an out-of-bounds read in __resize/r_io_resize
Fix two out-of-bounds reads in softmagic.c:match
autocomplete: Fix tmp_argv bounds check (corner case)

static const char *tmp_argv[TMP_ARGV_SZ];
while(...)
        if (i==TMP_ARGV_SZ)
                break;
...

tmp_argv[i] = NULL;	// If i==TMP_ARGV_SZ, this is an overflow.