master 99d6536c32: Fix SIGFPE on some fonts when calculating their average width on Haiku

[Po Lu]

branch: master
commit 99d6536c326a4df3bfb964f421edc2a005deb851
Author: Po Lu <luangruo@yahoo.com>
Commit: Po Lu <luangruo@yahoo.com>

    Fix SIGFPE on some fonts when calculating their average width on Haiku
    
    * src/haiku_font_support.cc (estimate_font_ascii): Avoid divison
    by zero.
---
 src/haiku_font_support.cc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/haiku_font_support.cc b/src/haiku_font_support.cc
index 3930cd965f..549c54d864 100644
--- a/src/haiku_font_support.cc
+++ b/src/haiku_font_support.cc
@@ -68,7 +68,11 @@ estimate_font_ascii (BFont *font, int *max_width,
 
   *min_width = min;
   *max_width = max;
-  *avg_width = total / count;
+
+  if (count)
+    *avg_width = total / count;
+  else
+    *avg_width = 0;
 }
 
 void