Make sure the regcomp's work.

http://bugs.gentoo.org/91977

--- eject.c
+++ eject.c
@@ -706,2 +706,11 @@
 
+int xregcomp(regex_t *preg, const char *regex, int cflags)
+{
+	if (regcomp(preg, regex, cflags) != 0) {
+		fprintf(stderr, _("%s: regcomp failed: %s\n"), programName, strerror(errno));
+		exit(1);
+	}
+	return 0;
+}
+
 
@@ -720,3 +729,3 @@
 
-	regcomp(&preg, pattern, REG_EXTENDED);
+	xregcomp(&preg, pattern, REG_EXTENDED);
 
@@ -799,3 +808,3 @@
 		strcat(pattern, "[a-z]([0-9]?[0-9])?$");
-		regcomp(&preg, pattern, REG_EXTENDED|REG_NOSUB);
+		xregcomp(&preg, pattern, REG_EXTENDED|REG_NOSUB);
 		status = regexec(&preg, name, 1, 0, 0);