natRuntime.cc (_Jv_FindSymbolInExecutable): Return NULL if no library on the list has the symbol.

* java/lang/natRuntime.cc (_Jv_FindSymbolInExecutable): Return
	NULL if no library on the list has the symbol.
	(init): Call add_library on the program itself.
	* prims.cc (JvRunMain): Initialize Runtime before searching for
	`main'.
	(_Jv_RunMain): Likewise.

From-SVN: r43413

libjava/java/lang/natRuntime.cc

@@ -69,7 +69,7 @@ _Jv_FindSymbolInExecutable (const char *symname)
 	return r;
     }
 
-  return lt_dlsym (NULL, symname);
+  return NULL;
 }
 
 #else
@@ -199,6 +199,9 @@ java::lang::Runtime::init (void)
   finalize_on_exit = false;
 #ifdef USE_LTDL
   lt_dlinit ();
+  lt_dlhandle self = lt_dlopen (NULL);
+  if (self != NULL)
+    add_library (self);
 #endif
 }