Try to kill some warnings.

1 files changed, 5 insertions, 1 deletions

diff --git a/awkgram.c b/awkgram.c
index cfed73cd..24707054 100644
--- a/awkgram.c
+++ b/awkgram.c
@@ -5043,7 +5043,11 @@ get_src_buf()
 
 		/* If necessary, one day, test value for different functions.  */
 		if (cp == NULL)
-			readfunc = read;
+			/*
+			 * cast is to remove warnings on systems with
+			 * different return types for read.
+			 */
+			readfunc = ( ssize_t(*)() ) read;
 		else
 			readfunc = read_one_line;
 	}