Merge #1683

1683: Fix build for Redox and uclibc r=asomers a=rtzoeller

- Redox renamed `sigaction.sa_handler` to `.sa_sigaction`, which lets us drop some specialized code for the platform.
- uclibc now uses a `u32` for the `RLIMIT` definitions, like Linux GNU.

Co-authored-by: Ryan Zoeller <rtzoeller@rtzoeller.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/Cargo.toml b/Cargo.toml
index e5b0831e..1e2aad22 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -27,7 +27,7 @@ targets = [
 ]
 
 [dependencies]
-libc = { version = "0.2.115", features = [ "extra_traits" ] }
+libc = { version = "0.2.121", features = [ "extra_traits" ] }
 bitflags = "1.1"
 cfg-if = "1.0"