sys: fix warning from clashing namespace exports

warning: ambiguous glob re-exports
  --> pulse-sys/src/lib.rs:58:9
   |
58 | pub use self::context::*;
   |         ^^^^^^^^^^^^^^^^ the name `flags` in the type namespace is first re-exported here
...
68 | pub use self::stream::*;
   |         --------------- but the name `flags` in the type namespace is also re-exported here
   |
   = note: `#[warn(ambiguous_glob_reexports)]` on by default

Author: jnqnfe

pulse-sys/CHANGELOG.md

@@ -1,5 +1,6 @@
 # unreleased]
 
+ * Fixed warning from clashing namespace exports.
  * Dropped PA v4 support.
 
 # 1.20.1 (January 9th, 2023)

pulse-sys/src/context/mod.rs

@@ -75,7 +75,7 @@ pub type pa_context_flags_t = u32;
 pub use self::flags::*;
 
 /// Some special flags for contexts.
-pub mod flags {
+mod flags {
     use super::pa_context_flags_t;
 
     pub const PA_CONTEXT_NOFLAGS:     pa_context_flags_t = 0x0;

pulse-sys/src/stream.rs

@@ -72,7 +72,7 @@ pub type pa_stream_flags_t = u32;
 pub use self::flags::*;
 
 /// Some special flags for stream connections.
-pub mod flags {
+mod flags {
     use super::pa_stream_flags_t;
 
     pub const PA_STREAM_NOFLAGS:                   pa_stream_flags_t = 0;