Add possibly-bogus implementations for __libc_current_sigrtmin,
__libc_current_sigrtmax and __libc_allocate_rtsig.

MERGE TO STABLE


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@1561 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/coregrind/vg_libpthread_unimp.c b/coregrind/vg_libpthread_unimp.c
index 5fb4d15..c502112 100644
--- a/coregrind/vg_libpthread_unimp.c
+++ b/coregrind/vg_libpthread_unimp.c
@@ -48,9 +48,9 @@
 //void __fcntl ( void )  { unimp("__fcntl"); }
 //void __fork ( void )  { unimp("__fork"); }
 //void __h_errno_location ( void )  { unimp("__h_errno_location"); }
-void __libc_allocate_rtsig ( void )  { unimp("__libc_allocate_rtsig"); }
-void __libc_current_sigrtmax ( void )  { unimp("__libc_current_sigrtmax"); }
-void __libc_current_sigrtmin ( void )  { unimp("__libc_current_sigrtmin"); }
+//void __libc_allocate_rtsig ( void )  { unimp("__libc_allocate_rtsig"); }
+//void __libc_current_sigrtmax ( void )  { unimp("__libc_current_sigrtmax"); }
+//void __libc_current_sigrtmin ( void )  { unimp("__libc_current_sigrtmin"); }
 //void __lseek ( void )  { unimp("__lseek"); }
 //void __open ( void )  { unimp("__open"); }
 //void __open64 ( void )  { unimp("__open64"); }