Unbreak Windows builds broken by EDITOR_LINENUMBER_ARG change.

Author: adunstan

src/bin/psql/command.c

@@ -1808,7 +1808,7 @@ editFile(const char *fname, int lineno)
 #else
 	if (lineno > 0)
 		sprintf(sys, SYSTEMQUOTE "\"%s\" %s%d \"%s\"" SYSTEMQUOTE,
-				editorName, editor_lineno_switch, lineno, fname);
+				editorName, editor_lineno_arg, lineno, fname);
 	else
 		sprintf(sys, SYSTEMQUOTE "\"%s\" \"%s\"" SYSTEMQUOTE,
 				editorName, fname);