[C++/mingw] Misc alloca casts

gdb/ChangeLog:
2015-11-17  Pedro Alves  <palves@redhat.com>

	* exec.c (exec_file_attach, symfile_bfd_open) [__GO32__ || _WIN32
	|| __CYGWIN__]: Add casts.
	* utils.c (gdb_filename_fnmatch): Add cast.
	* windows-nat.c (windows_create_inferior): Add cast.

1 files changed, 1 insertions, 1 deletions

diff --git a/gdb/exec.c b/gdb/exec.c
index 3089bb4..2433019 100644
--- a/gdb/exec.c
+++ b/gdb/exec.c
@@ -254,7 +254,7 @@ exec_file_attach (const char *filename, int from_tty)
 #if defined(__GO32__) || defined(_WIN32) || defined(__CYGWIN__)
 	  if (scratch_chan < 0)
 	    {
-	      char *exename = alloca (strlen (filename) + 5);
+	      char *exename = (char *) alloca (strlen (filename) + 5);
 
 	      strcat (strcpy (exename, filename), ".exe");
 	      scratch_chan = openp (getenv ("PATH"), OPF_TRY_CWD_FIRST,