Add more possible baud rates to the Unix serial backend. These are the

union of rates found in the termios.h of Linux 2.6.24 and "SunOS 5.6
Generic_105181-29 sun4u sparc SUNW,Ultra-4" machines. After a patch by
Thomas Bechtold.

[originally from svn r9028]

unix/uxser.c

@@ -129,9 +129,51 @@ static const char *serial_configure(Serial serial, Config *cfg)
 #ifdef B115200
     CHECKBAUD(115200);
 #endif
+#ifdef B153600
+    CHECKBAUD(153600);
+#endif
 #ifdef B230400
     CHECKBAUD(230400);
 #endif
+#ifdef B307200
+    CHECKBAUD(307200);
+#endif
+#ifdef B460800
+    CHECKBAUD(460800);
+#endif
+#ifdef B500000
+    CHECKBAUD(500000);
+#endif
+#ifdef B576000
+    CHECKBAUD(576000);
+#endif
+#ifdef B921600
+    CHECKBAUD(921600);
+#endif
+#ifdef B1000000
+    CHECKBAUD(1000000);
+#endif
+#ifdef B1152000
+    CHECKBAUD(1152000);
+#endif
+#ifdef B1500000
+    CHECKBAUD(1500000);
+#endif
+#ifdef B2000000
+    CHECKBAUD(2000000);
+#endif
+#ifdef B2500000
+    CHECKBAUD(2500000);
+#endif
+#ifdef B3000000
+    CHECKBAUD(3000000);
+#endif
+#ifdef B3500000
+    CHECKBAUD(3500000);
+#endif
+#ifdef B4000000
+    CHECKBAUD(4000000);
+#endif
 #undef CHECKBAUD
 #undef SETBAUD
     cfsetispeed(&options, bflag);