fix remaining contrived issues re HANGUPHANDLING

src/files.c

@@ -1730,7 +1730,11 @@ static int lockfd = -1; /* for lock_file() to pass to unlock_file() */
 struct flock sflock; /* for unlocking, same as above */
 #endif
 
+#if defined(HANGUPHANDLING)
 #define HUP if (!gp.program_state.done_hup)
+#else
+#define HUP
+#endif
 
 #ifndef USE_FCNTL
 static char *

src/save.c

@@ -40,7 +40,7 @@ static void zerocomp_bwrite(int, genericptr_t, unsigned int);
 static void zerocomp_bputc(int);
 #endif
 
-#if defined(UNIX) || defined(VMS) || defined(__EMX__) || defined(WIN32)
+#if defined(HANGUPHANDLING)
 #define HUP if (!gp.program_state.done_hup)
 #else
 #define HUP
@@ -58,7 +58,7 @@ dosave(void)
     } else {
         clear_nhwindow(WIN_MESSAGE);
         pline("Saving...");
-#if defined(UNIX) || defined(VMS) || defined(__EMX__)
+#if defined(HANGUPHANDLING)
         gp.program_state.done_hup = 0;
 #endif
         if (dosave0()) {

src/sfstruct.c

@@ -193,7 +193,7 @@ bwrite(int fd, const genericptr_t loc, unsigned num)
 #endif
         }
         if (failed) {
-#if defined(UNIX) || defined(VMS) || defined(__EMX__)
+#if defined(HANGUPHANDLING)
             if (gp.program_state.done_hup)
                 nh_terminate(EXIT_FAILURE);
             else

src/topten.c

@@ -644,7 +644,7 @@ topten(int how, time_t when)
         gt.toptenwin = create_nhwindow(NHW_TEXT);
     }
 
-#if defined(UNIX) || defined(VMS) || defined(__EMX__)
+#if defined(HANGUPHANDLING)
 #define HUP if (!gp.program_state.done_hup)
 #else
 #define HUP