patch 8.1.0093: non-MS-Windows: Cannot interrupt gdb when program is running

Problem:    non-MS-Windows: Cannot interrupt gdb when program is running.
Solution:   Only use debugbreak() on MS-Windows.

runtime/pack/dist/opt/termdebug/plugin/termdebug.vim

@@ -402,12 +402,17 @@ endfunc
 " Function called when pressing CTRL-C in the prompt buffer and when placing a
 " breakpoint.
 func s:PromptInterrupt()
-  if s:pid == 0
+  call ch_log('Interrupting gdb')
-    echoerr 'Cannot interrupt gdb, did not find a process ID'
+  if has('win32')
+    " Using job_stop() does not work on MS-Windows, need to send SIGTRAP to
+    " the debugger program so that gdb responds again.
+    if s:pid == 0
+      echoerr 'Cannot interrupt gdb, did not find a process ID'
+    else
+      call debugbreak(s:pid)
+    endif
   else
-    call ch_log('Interrupting gdb')
+    call job_stop(s:gdbjob, 'int')
-    " Using job_stop(s:gdbjob, 'int') does not work.
-    call debugbreak(s:pid)
   endif
 endfunc
 

src/version.c

@@ -761,6 +761,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    93,
 /**/
     92,
 /**/