Description: Fix ftbfs with GCC-10

Author: Ryan Finnie <ryan@finnie.org>
Bug-Debian: https://bugs.debian.org/957490
Forwarded: no

---

--- a/src/raid.h
+++ b/src/raid.h
@@ -8,7 +8,7 @@
  * in the source directory.
  */
 
-int do_md_install, ndisk, md_bios;
+extern int ndisk, md_bios;
 
 int raid_setup(void);
 void raid_final(void);
--- a/src/bsect.c
+++ b/src/bsect.c
@@ -54,8 +54,6 @@
 #endif
 
 
-int boot_dev_nr;
-
 static BOOT_SECTOR bsect,bsect_orig;
 static MENUTABLE menuparams;
 static DESCR_SECTORS descrs;
--- a/src/identify.c
+++ b/src/identify.c
@@ -19,7 +19,6 @@
 #include "common.h"
 #include "cfg.h"
 
-char *identify;
 static char *opt;
 static char *first, *dflt;
 static int idefault;
--- a/src/raid.c
+++ b/src/raid.c
@@ -41,7 +41,7 @@
 static int raid_bios[MAX_RAID+1];
 static int device;
 enum {MD_NULL=0, MD_PARALLEL, MD_MIXED, MD_SKEWED};
-int do_md_install, ndisk, md_bios;
+int ndisk, md_bios;
 static char *raid_list[MAX_RAID];
 static int list_index[MAX_RAID];
 static int nlist, faulty;