libshout: update to 2.4.5

Remove upstreamed patch.

Switch to AUTORELEASE for simplicity.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

libs/libshout/patches/130-usleep.patch

@@ -1,22 +0,0 @@
---- a/examples/nonblocking.c
-+++ b/examples/nonblocking.c
-@@ -6,6 +6,7 @@
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
-+#include <time.h>
- #include <unistd.h>
- 
- #include <shout/shout.h>
-@@ -70,8 +71,10 @@ int main()
-     if (ret == SHOUTERR_BUSY)
-         printf("Connection pending...\n");
- 
-+    const struct timespec req = {0, 10 * 1000 * 1000};
-+    struct timespec rem;
-     while (ret == SHOUTERR_BUSY) {
--        usleep(10000);
-+        nanosleep(&req, &rem);
-         ret = shout_get_connected(shout);
-     }
-