Deprecation warnings

[samoconnor]

Fix for pointer_to_array deprecation.

diff --git a/src/ctr_drbg.jl b/src/ctr_drbg.jl
index 14b46a8..e279e11 100644
--- a/src/ctr_drbg.jl
+++ b/src/ctr_drbg.jl
@@ -20,7 +20,7 @@ end

 function f_rng(c_ctx, c_buf, sz)
     jl_ctx = unsafe_pointer_to_objref(c_ctx)
-    jl_buf = pointer_to_array(c_buf, sz, false)
+    jl_buf = unsafe_wrap(Array, c_buf, sz, false)
     rand!(jl_ctx, jl_buf)
     MBED_SUCCESS
 end
diff --git a/src/ssl.jl b/src/ssl.jl
index 0ae7be6..08dea7d 100644
--- a/src/ssl.jl
+++ b/src/ssl.jl
@@ -92,13 +92,13 @@ end

 function f_send(c_ctx, c_msg, sz)
     jl_ctx = unsafe_pointer_to_objref(c_ctx)
-    jl_msg = pointer_to_array(c_msg, sz, false)
+    jl_msg = unsafe_wrap(Array, c_msg, sz, false)
     return Cint(write(jl_ctx, jl_msg))
 end

 function f_recv(c_ctx, c_msg, sz)
     jl_ctx = unsafe_pointer_to_objref(c_ctx)
-    jl_msg = pointer_to_array(c_msg, sz, false)
+    jl_msg = unsafe_wrap(Array, c_msg, sz, false)
     n = readbytes!(jl_ctx, jl_msg, sz)
     return Cint(n)
 end

[yuyichao]

Need to bump Compat version. Also please use a PR instead to run through the CI