Update cpp-E.syms' and cpp-SIG.syms'.

* libguile/cpp-E.syms, libguile/cpp-SIG.syms: Update on a Glibc 2.11.1
  system.

libguile/cpp-E.syms

@@ -15,6 +15,7 @@ EBADRQC
 EBADSLT
 EBFONT
 EBUSY
+ECANCELED
 ECHILD
 ECHRNG
 ECOMM
@@ -41,6 +42,9 @@ EIO
 EISCONN
 EISDIR
 EISNAM
+EKEYEXPIRED
+EKEYREJECTED
+EKEYREVOKED
 EL2HLT
 EL2NSYNC
 EL3HLT
@@ -52,6 +56,7 @@ ELIBMAX
 ELIBSCN
 ELNRNG
 ELOOP
+EMEDIUMTYPE
 EMFILE
 EMLINK
 EMSGSIZE
@@ -69,8 +74,10 @@ ENODATA
 ENODEV
 ENOENT
 ENOEXEC
+ENOKEY
 ENOLCK
 ENOLINK
+ENOMEDIUM
 ENOMEM
 ENOMSG
 ENONET
@@ -85,12 +92,15 @@ ENOTCONN
 ENOTDIR
 ENOTEMPTY
 ENOTNAM
+ENOTRECOVERABLE
 ENOTSOCK
+ENOTSUP
 ENOTTY
 ENOTUNIQ
 ENXIO
 EOPNOTSUPP
 EOVERFLOW
+EOWNERDEAD
 EPERM
 EPFNOSUPPORT
 EPIPE

libguile/cpp-SIG.syms

@@ -5,6 +5,10 @@ SIGBUS
 SIGCHLD
 SIGCLD
 SIGCONT
+SIGEV_NONE
+SIGEV_SIGNAL
+SIGEV_THREAD
+SIGEV_THREAD_ID
 SIGFPE
 SIGHUP
 SIGILL
@@ -17,8 +21,11 @@ SIGPOLL
 SIGPROF
 SIGPWR
 SIGQUIT
+SIGRTMAX
+SIGRTMIN
 SIGSEGV
 SIGSTKFLT
+SIGSTKSZ
 SIGSTOP
 SIGSYS
 SIGTERM