am b130f004: am ae2d5ba3: Add support for the utimensat(2) syscall to bionic.

* commit 'b130f00493f6ae3b2343e1caac002de528a45e41':
  Add support for the utimensat(2) syscall to bionic.
diff --git a/libc/unistd/sigblock.c b/libc/unistd/sigblock.c
index 863d7da..176bc13 100644
--- a/libc/unistd/sigblock.c
+++ b/libc/unistd/sigblock.c
@@ -37,6 +37,7 @@
         sigset_t  the_sigset;
     } in, out;
 
+    sigemptyset(&in.the_sigset);
     in.the_mask = mask;
 
     n = sigprocmask(SIG_BLOCK, &in.the_sigset, &out.the_sigset);
diff --git a/libc/unistd/sigsetmask.c b/libc/unistd/sigsetmask.c
index 4f46458..7842bf1 100644
--- a/libc/unistd/sigsetmask.c
+++ b/libc/unistd/sigsetmask.c
@@ -38,6 +38,7 @@
         sigset_t  the_sigset;
     } in, out;
 
+    sigemptyset(&in.the_sigset);
     in.the_mask = mask;
 
     n = sigprocmask(SIG_SETMASK, &in.the_sigset, &out.the_sigset);