fonts: render() now returns number of columns

1 files changed, 1 insertions, 1 deletions

diff --git a/fonts.h b/fonts.h
index 2ccd92a..c577d82 100644
--- a/fonts.h
+++ b/fonts.h
@@ -100,4 +100,4 @@ static char const symbols[96 * SYMBOL_WIDTH] = {
   0x00,0x02,0x05,0x02,0x00   // °
 };
 
-void render(unsigned char *input, int input_len, unsigned char *output, int max_output_len, int skip_unprintables);
+int render(unsigned char *input, int input_len, unsigned char *output, int max_output_len, int skip_unprintables);