blueman: fix musl (hack)

Fix a kernel-libc-headers-4.9.8 introduced problem with including
linux/if_bridge.h trying to redefine musl libc defined structs.
The only thing required is the "#define BRCTL_SET_BRIDGE_FORWARD_DELAY 8".

srcpkgs/blueman/patches/musl.patch

@@ -1,6 +1,6 @@
 --- module/libblueman.c.orig	2016-03-27 09:13:07.203123088 +0200
 +++ module/libblueman.c	2016-03-27 09:13:19.497969382 +0200
-@@ -28,6 +28,7 @@
+@@ -28,8 +28,13 @@
  #include <string.h>
  #include <sys/ioctl.h>
  #include <sys/socket.h>
@@ -8,6 +8,12 @@
  #include <unistd.h>
  #include <linux/sockios.h>
  #include <linux/if.h>
++#if defined(__GLIBC__)
+ #include <linux/if_bridge.h>
++#else
++#define BRCTL_SET_BRIDGE_FORWARD_DELAY 8
++#endif
+
 --- module/modem-prober.c.orig	2016-03-27 09:19:20.635454542 +0200
 +++ module/modem-prober.c	2016-03-27 09:19:28.550355592 +0200
 @@ -38,6 +38,10 @@
@@ -20,4 +26,3 @@
 +
  static gboolean verbose = FALSE;
  
- void set_probe_debug(gboolean debug) {