lib: zlib: our putc() takes only one argument

In contrast to the C99 standard [1] our putc() takes only one argument.

[1] ISO/IEC 9899:1999

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
diff --git a/lib/zlib/deflate.c b/lib/zlib/deflate.c
index 1fe58d5..6347335 100644
--- a/lib/zlib/deflate.c
+++ b/lib/zlib/deflate.c
@@ -1284,7 +1284,7 @@
     }
     if (z_verbose > 1) {
         fprintf(stderr,"\\[%d,%d]", start-match, length);
-        do { putc(s->window[start++], stderr); } while (--length != 0);
+	do { putc(s->window[start++]); } while (--length != 0);
     }
 }
 #else