Call to malloc may return NULL in create_*_error_context(error.c) [msvc /analyze]

src/libespeak-ng/error.c

 			free((*context)->path);
 		} else {
 			*context = malloc(sizeof(espeak_ng_ERROR_CONTEXT_));
+			if (!*context)
+				return ENOMEM;
 		}
 		(*context)->type = ERROR_CONTEXT_FILE;
 		(*context)->path = strdup(filename);
 			free((*context)->path);
 		} else {
 			*context = malloc(sizeof(espeak_ng_ERROR_CONTEXT_));
+			if (!*context)
+				return ENOMEM;
 		}
 		(*context)->type = ERROR_CONTEXT_VERSION;
 		(*context)->path = strdup(path_home);