Fix for BUG#3839 , too many signal handlers installed

ndb/src/kernel/ndb-main/Main.cpp:
  Only install signalhandlers up to SIGRTMIN
BitKeeper/etc/logging_ok:
  Logging to logging@openlogging.org accepted

BitKeeper/etc/logging_ok

@@ -106,6 +106,7 @@ monty@tik.
 monty@tik.mysql.fi
 monty@tramp.mysql.fi
 monty@work.mysql.com
+msvensson@build.mysql.com
 mwagner@cash.mwagner.org
 mwagner@evoq.mwagner.org
 mwagner@work.mysql.com

ndb/src/kernel/ndb-main/Main.cpp

@@ -232,12 +232,12 @@ catchsigs(bool ignore){
   // handler named "handler". "handler" will then be called is instead 
   // of the defualt process signal handler)
   if(ignore){
-    for(int i = 1; i<100; i++){
+    for(int i = 1; i<SIGRTMIN; i++){
       if(i != SIGCHLD)
 	signal(i, SIG_IGN);
     } 
   } else {
-    for(int i = 1; i<100; i++){
+    for(int i = 1; i<SIGRTMIN; i++){
       signal(i, handler);
     }
   }