Fix build with -fno-common

Patch from https://src.fedoraproject.org/rpms/ncftp/raw/master/f/ncftp-3.2.5-gcc10.patch

Upstream-Status: Pending
Signed-off-by: Khem Raj <raj.khem@gmail.com>

--- a/ncftp/bookmark.h
+++ b/ncftp/bookmark.h
@@ -29,6 +29,8 @@ typedef struct Bookmark {
     int             reserved;
 } Bookmark;
 
+extern Bookmark gBm;
+
 #define kBookmarkVersion		8
 #define kBookmarkMinVersion		3
 #if (defined(WIN32) || defined(_WINDOWS)) && !defined(__CYGWIN__)
--- a/ncftp/cmds.c
+++ b/ncftp/cmds.c
@@ -98,7 +98,7 @@ extern char gPager[], gHome[], gShell[];
 extern char gOS[];
 extern int gAutoResume;
 extern int gAutoSaveChangesToExistingBookmarks;
-extern Bookmark gBm;
+//extern Bookmark gBm;
 extern int gLoadedBm, gConfirmClose, gSavePasswords, gScreenColumns;
 extern char gLocalCWD[512], gPrevLocalCWD[512];
 extern int gMayCancelJmp;
--- a/ncftp/main.c
+++ b/ncftp/main.c
@@ -38,7 +38,7 @@ extern int gUnprocessedJobs;
 char gLocalCWD[512], gPrevLocalCWD[512];
 
 extern char gRemoteCWD[512], gPrevRemoteCWD[512];
-extern Bookmark gBm;
+//extern Bookmark gBm;
 extern int gLoadedBm;
 extern int gFirewallType;
 extern char gAutoAscii[];
--- a/sh_util/gpshare.c
+++ b/sh_util/gpshare.c
@@ -28,7 +28,7 @@
 
 static int gIsAtty1 = 1, gIsAtty2 = 1;
 extern int gLoadedBm, gBookmarkMatchMode;
-Bookmark gBm;
+//Bookmark gBm;
 
 double
 FileSize(double size, const char **uStr0, double *uMult0)
--- a/sh_util/ncftpget.c
+++ b/sh_util/ncftpget.c
@@ -40,7 +40,7 @@ extern unsigned int gFirewallPort;
 extern char gFirewallExceptionList[256];
 extern int gFwDataPortMode;
 extern const char gOS[], gVersion[];
-extern Bookmark gBm;
+//extern Bookmark gBm;
 
 static void
 #if (defined(__GNUC__)) && (__GNUC__ >= 2)
--- a/sh_util/ncftpls.c
+++ b/sh_util/ncftpls.c
@@ -39,7 +39,7 @@ extern unsigned int gFirewallPort;
 extern char gFirewallExceptionList[256];
 extern int gFwDataPortMode;
 extern const char gOS[], gVersion[];
-extern Bookmark gBm;
+//extern Bookmark gBm;
 
 static int FTPRemoteRecursiveMList(FTPCIPtr cip, const char *const rdir, /* FTPFileInfoListPtr files, */ FTPLineListPtr lines);
 
--- a/sh_util/ncftpput.c
+++ b/sh_util/ncftpput.c
@@ -41,7 +41,6 @@ extern unsigned int gFirewallPort;
 extern char gFirewallExceptionList[256];
 extern int gFwDataPortMode;
 extern const char gOS[], gVersion[];
-extern Bookmark gBm;
 extern int gSendfileInProgress;
 
 static void