(scan_lists): Make stringterm an unsigned char.

diff --git a/src/syntax.c b/src/syntax.c
index b6f2da2..df3122c 100644 (file)
--- a/src/syntax.c
+++ b/src/syntax.c
@@ -865,7 +865,7 @@ scan_lists (from, count, depth, sexpflag)
   Lisp_Object val;
   register int stop;
   register int c;
-  char stringterm;
+  unsigned char stringterm;
   int quoted;
   int mathexit = 0;
   register enum syntaxcode code;