util-linux: use qsort instead of qsort_r to fix compile error with musl

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@41059 3c298f89-4303-0410-b956-a3cf2f4a3e73

package/utils/util-linux/patches/100-fdisk_use_qsort.patch

@@ -0,0 +1,36 @@
+--- a/libfdisk/src/sun.c
++++ b/libfdisk/src/sun.c
+@@ -361,10 +361,10 @@ static void fetch_sun(struct fdisk_conte
+ 	}
+ }
+ 
+-static int verify_sun_cmp(int *a, int *b, void *data)
+-{
+-    unsigned int *verify_sun_starts = (unsigned int *) data;
++static unsigned int *verify_sun_starts;
+ 
++static int verify_sun_cmp(int *a, int *b)
++{
+     if (*a == -1)
+ 	    return 1;
+     if (*b == -1)
+@@ -379,7 +379,6 @@ static int sun_verify_disklabel(struct f
+     uint32_t starts[SUN_MAXPARTITIONS], lens[SUN_MAXPARTITIONS], start, stop;
+     uint32_t i,j,k,starto,endo;
+     int array[SUN_MAXPARTITIONS];
+-    unsigned int *verify_sun_starts;
+ 
+     assert(cxt);
+     assert(cxt->label);
+@@ -427,9 +426,8 @@ static int sun_verify_disklabel(struct f
+         else
+             array[i] = -1;
+     }
+-    qsort_r(array,ARRAY_SIZE(array),sizeof(array[0]),
+-	  (int (*)(const void *,const void *,void *)) verify_sun_cmp,
+-	  verify_sun_starts);
++    qsort(array,ARRAY_SIZE(array),sizeof(array[0]),
++	  (int (*)(const void *,const void *)) verify_sun_cmp);
+ 
+     if (array[0] == -1) {
+ 	fdisk_info(cxt, _("No partitions defined."));