Bump OpenSSL version to 1.1.1c

projects/openssl/config

 # vim: filetype=yaml sw=2
-version: 1.1.1b
+version: 1.1.1c
 filename: '[% project %]-[% c("version") %]-[% c("var/osname") %]-[% c("var/build_id") %].tar.gz'
 
 var:
@@ -26,4 +26,4 @@ input_files:
   - name: '[% c("var/compiler") %]'
     project: '[% c("var/compiler") %]'
   - URL: 'https://www.openssl.org/source/openssl-[% c("version") %].tar.gz'
-    sha256sum: 5c557b023230413dfb0756f3137a13e6d726838ccd1430888ad15bfb2b43ea4b
+    sha256sum: f6fb3079ad15076154eda9413fed42877d668e7069d9b87396d0804fdb3f4c90