file.h: Rename function argument to avoid C++ keyword clash.

Fixes #744

(cherry picked from commit b769bee218)

include/asterisk/file.h

@@ -140,12 +140,13 @@ int ast_filecopy(const char *oldname, const char *newname, const char *fmt);
 
 /*!
  * \brief same as mkstemp, but return a FILE
- * \param template The template for the unique file name to generate. Modified in place to return the file name.
+ * \param template_name The template for the unique file name to generate.
+ *                      Modified in place to return the file name.
  * \param mode The mode for file permissions
  *
  * \return FILE handle to the temporary file on success or NULL if creation failed
  */
-FILE *ast_file_mkftemp(char *template, mode_t mode);
+FILE *ast_file_mkftemp(char *template_name, mode_t mode);
 
 /*!
  * \brief Create a temporary file located at path

main/file.c

@@ -184,11 +184,11 @@ int ast_format_def_unregister(const char *name)
 	return res;
 }
 
-FILE *ast_file_mkftemp(char *template, mode_t mode)
+FILE *ast_file_mkftemp(char *template_name, mode_t mode)
 {
 	FILE *p = NULL;
-	int pfd = mkstemp(template);
-	chmod(template, mode);
+	int pfd = mkstemp(template_name);
+	chmod(template_name, mode);
 	if (pfd > -1) {
 		p = fdopen(pfd, "w+");
 		if (!p) {