gnu: mdadm: Add compilation fix for gcc-4.9.

* gnu/packages/patches/mdadm-gcc-4.9-fix.patch: New file.
* gnu-system.am (dist_patch_DATA): Add it.
* gnu/packages/linux.scm (mdadm): Add patch.

gnu-system.am

@@ -508,6 +508,7 @@ dist_patch_DATA =						\
   gnu/packages/patches/maxima-defsystem-mkdir.patch		\
   gnu/packages/patches/mc-fix-ncurses-build.patch		\
   gnu/packages/patches/mcron-install.patch			\
+  gnu/packages/patches/mdadm-gcc-4.9-fix.patch			\
   gnu/packages/patches/mhash-keygen-test-segfault.patch		\
   gnu/packages/patches/mit-krb5-init-fix.patch			\
   gnu/packages/patches/mpc123-initialize-ao.patch		\

gnu/packages/linux.scm

@@ -2137,7 +2137,8 @@ MPEG-2 and audio over Linux IEEE 1394.")
                     version ".tar.xz"))
               (sha256
                (base32
-                "132vdvh3myjgcjn6i9w90ck16ddjxjcszklzkyvr4f5ifqd7wfhg"))))
+                "132vdvh3myjgcjn6i9w90ck16ddjxjcszklzkyvr4f5ifqd7wfhg"))
+              (patches (list (search-patch "mdadm-gcc-4.9-fix.patch")))))
     (build-system gnu-build-system)
     (inputs
      `(("udev" ,eudev)))

gnu/packages/patches/mdadm-gcc-4.9-fix.patch

@@ -0,0 +1,38 @@
+From 68641cdb646eaa15099c1d6cfff1eaa5dd2ac841 Mon Sep 17 00:00:00 2001
+From: Jes Sorensen <Jes.Sorensen@redhat.com>
+Date: Tue, 24 Feb 2015 16:00:40 -0500
+Subject: [PATCH] write_super_imsm_spares(): C statements are terminated by ;
+
+Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
+Signed-off-by: NeilBrown <neilb@suse.de>
+---
+ super-intel.c | 12 ++++++------
+ 1 file changed, 6 insertions(+), 6 deletions(-)
+
+diff --git a/super-intel.c b/super-intel.c
+index 819e0da..7f75b53 100644
+--- a/super-intel.c
++++ b/super-intel.c
+@@ -5115,13 +5115,13 @@ static int write_super_imsm_spares(struct intel_super *super, int doclose)
+ 	__u32 sum;
+ 	struct dl *d;
+ 
+-	spare->mpb_size = __cpu_to_le32(sizeof(struct imsm_super)),
+-	spare->generation_num = __cpu_to_le32(1UL),
++	spare->mpb_size = __cpu_to_le32(sizeof(struct imsm_super));
++	spare->generation_num = __cpu_to_le32(1UL);
+ 	spare->attributes = MPB_ATTRIB_CHECKSUM_VERIFY;
+-	spare->num_disks = 1,
+-	spare->num_raid_devs = 0,
+-	spare->cache_size = mpb->cache_size,
+-	spare->pwr_cycle_count = __cpu_to_le32(1),
++	spare->num_disks = 1;
++	spare->num_raid_devs = 0;
++	spare->cache_size = mpb->cache_size;
++	spare->pwr_cycle_count = __cpu_to_le32(1);
+ 
+ 	snprintf((char *) spare->sig, MAX_SIGNATURE_LENGTH,
+ 		 MPB_SIGNATURE MPB_VERSION_RAID0);
+-- 
+2.4.3
+