scratch/igc e706754c076: Fix a memmove

[Gerd Moellmann]

branch: scratch/igc
commit e706754c07655754bd19deaad6a123e86d169557
Author: Gerd Möllmann <gerd@gnu.org>
Commit: Gerd Möllmann <gerd@gnu.org>

    Fix a memmove
---
 src/igc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/igc.c b/src/igc.c
index d24dca0bceb..691ba341172 100644
--- a/src/igc.c
+++ b/src/igc.c
@@ -2496,7 +2496,7 @@ igc_replace_char (Lisp_Object string, ptrdiff_t 
at_byte_pos,
   s->u.s.size_byte = nbytes_needed;
   unsigned char *insertion_addr = s->u.s.data + at_byte_pos;
   memmove (insertion_addr + new_char_len, insertion_addr + old_char_len,
-          new_char_len - old_char_len);
+          eabs (new_char_len - old_char_len));
   return insertion_addr;
 }