[libsndio]: remove superfluous 'return 0' statements

[Remco]

It seems to me that the following 'return 0' statements are unnecessary.
This is just an observation, I didn't actually test-run the patch.


Index: mio_rmidi.c
===================================================================
RCS file: /cvs/src/lib/libsndio/mio_rmidi.c,v
retrieving revision 1.6
diff -u -r1.6 mio_rmidi.c
--- mio_rmidi.c 24 Apr 2010 06:15:54 -0000      1.6
+++ mio_rmidi.c 21 Jul 2010 16:13:57 -0000
@@ -136,7 +136,6 @@
                if (errno != EAGAIN) {
                        DPERROR("rmidi_write: write");
                        hdl->mio.eof = 1;
-                       return 0;
                }
                return 0;
        }
Index: mio_thru.c
===================================================================
RCS file: /cvs/src/lib/libsndio/mio_thru.c,v
retrieving revision 1.9
diff -u -r1.9 mio_thru.c
--- mio_thru.c  6 Jul 2010 01:12:45 -0000       1.9
+++ mio_thru.c  21 Jul 2010 16:13:57 -0000
@@ -226,7 +226,6 @@
                if (errno != EAGAIN) {
                        DPERROR("thru_write: write");
                        hdl->mio.eof = 1;
-                       return 0;
                }
                return 0;
        }
Index: sun.c
===================================================================
RCS file: /cvs/src/lib/libsndio/sun.c,v
retrieving revision 1.38
diff -u -r1.38 sun.c
--- sun.c       15 Jul 2010 03:43:11 -0000      1.38
+++ sun.c       21 Jul 2010 16:13:57 -0000
@@ -866,7 +866,6 @@
                if (errno != EAGAIN) {
                        DPERROR("sun_write: write");
                        hdl->sio.eof = 1;
-                       return 0;
                }
                return 0;
        }