Merge pull request #352 from PiDelport/sgx_unwind/avoid-unnecessary-rebuild

build(sgx_unwind): ignore "config.h.in~" to avoid unnecessary rebuilds
diff --git a/sgx_no_tstd/build.rs b/sgx_no_tstd/build.rs
index 2fea965..c6e8bd8 100644
--- a/sgx_no_tstd/build.rs
+++ b/sgx_no_tstd/build.rs
@@ -35,6 +35,7 @@
         "autom4te.cache",
         "Makefile.in",
         "config.h.in",
+        "config.h.in~",
         "configure",
         "aclocal.m4",
         "INSTALL"];
@@ -80,4 +81,4 @@
                 .arg(format!("INCDIR={}", native.src_dir.display()))
                 .arg("-j5"));
     Ok(())
-}
\ No newline at end of file
+}
diff --git a/sgx_unwind/build.rs b/sgx_unwind/build.rs
index 0f64ebd..1f3f228 100644
--- a/sgx_unwind/build.rs
+++ b/sgx_unwind/build.rs
@@ -35,6 +35,7 @@
         "autom4te.cache",
         "Makefile.in",
         "config.h.in",
+        "config.h.in~",
         "configure",
         "aclocal.m4",
         "INSTALL"];