[fractal] rust: fix some warnings

[Daniel Garcia Moreno <danigm src gnome org>]

commit 7eec414e3ce2e76465d2f24708c5828d237480f3
Author: Alexandre Franke <afranke gnome org>
Date:   Sun Apr 14 17:13:54 2019 +0200

    rust: fix some warnings

 fractal-gtk/src/appop/message.rs        | 6 +++---
 fractal-gtk/src/widgets/autocomplete.rs | 2 +-
 fractal-gtk/src/widgets/avatar.rs       | 2 +-
 fractal-matrix-api/src/client.rs        | 6 +++---
 4 files changed, 8 insertions(+), 8 deletions(-)
---
diff --git a/fractal-gtk/src/appop/message.rs b/fractal-gtk/src/appop/message.rs
index b0f11898..a5826067 100644
--- a/fractal-gtk/src/appop/message.rs
+++ b/fractal-gtk/src/appop/message.rs
@@ -197,7 +197,7 @@ impl AppOp {
                 let mut m = Message::new(room, sender, body, mtype);
 
                 if msg.starts_with("/me ") {
-                    m.body = msg.trim_left_matches("/me ").to_owned();
+                    m.body = msg.trim_start_matches("/me ").to_owned();
                     m.mtype = String::from("m.emote");
                 }
 
@@ -390,7 +390,7 @@ impl AppOp {
     pub fn create_new_room_message(&self, msg: &Message) -> Option<MessageContent> {
         let mut highlights = vec![];
         lazy_static! {
-            static ref emoji_regex: regex::Regex = regex::Regex::new(r"(?x)
+            static ref EMOJI_REGEX: regex::Regex = regex::Regex::new(r"(?x)
                 ^
                 
[\p{White_Space}\p{Emoji}\p{Emoji_Presentation}\p{Emoji_Modifier}\p{Emoji_Modifier_Base}\p{Emoji_Component}]*
                 [\p{Emoji}]+
@@ -426,7 +426,7 @@ impl AppOp {
                     highlights.push(String::from("message_menu"));
 
                     RowType::Mention
-                } else if emoji_regex.is_match(&msg.body) {
+                } else if EMOJI_REGEX.is_match(&msg.body) {
                     RowType::Emoji
                 } else {
                     RowType::Message
diff --git a/fractal-gtk/src/widgets/autocomplete.rs b/fractal-gtk/src/widgets/autocomplete.rs
index 863ea55a..b02d8e32 100644
--- a/fractal-gtk/src/widgets/autocomplete.rs
+++ b/fractal-gtk/src/widgets/autocomplete.rs
@@ -438,7 +438,7 @@ impl Autocomplete {
                     .alias
                     .clone()
                     .unwrap_or_default()
-                    .trim_right_matches(" (IRC)")
+                    .trim_end_matches(" (IRC)")
                     .to_owned();
                 let widget;
                 {
diff --git a/fractal-gtk/src/widgets/avatar.rs b/fractal-gtk/src/widgets/avatar.rs
index c2efc757..8d04c07b 100644
--- a/fractal-gtk/src/widgets/avatar.rs
+++ b/fractal-gtk/src/widgets/avatar.rs
@@ -107,7 +107,7 @@ impl AvatarExt for gtk::Overlay {
         let uname = username.clone();
         /* remove IRC postfix from the username */
         let username = if let Some(u) = username {
-            Some(u.trim_right_matches(" (IRC)").to_owned())
+            Some(u.trim_end_matches(" (IRC)").to_owned())
         } else {
             None
         };
diff --git a/fractal-matrix-api/src/client.rs b/fractal-matrix-api/src/client.rs
index 8c4ee9f1..01067fad 100644
--- a/fractal-matrix-api/src/client.rs
+++ b/fractal-matrix-api/src/client.rs
@@ -53,7 +53,7 @@ impl ProxySettings {
 
 // gio::ProxyResolver can't be sent or shared
 thread_local! {
-    static proxy_resolver: gio::ProxyResolver =
+    static PROXY_RESOLVER: gio::ProxyResolver =
         gio::ProxyResolver::get_default().expect("Couldn't get proxy resolver");
 }
 
@@ -82,8 +82,8 @@ impl Client {
         // Lock first so we don't overwrite proxy settings with outdated information
         let mut inner = self.inner.lock().unwrap();
 
-        let http_proxy = proxy_resolver.with(|resolver| resolver.lookup("http://";, None))?;
-        let https_proxy = proxy_resolver.with(|resolver| resolver.lookup("https://";, None))?;
+        let http_proxy = PROXY_RESOLVER.with(|resolver| resolver.lookup("http://";, None))?;
+        let https_proxy = PROXY_RESOLVER.with(|resolver| resolver.lookup("https://";, None))?;
 
         let new_proxy_settings = ProxySettings::new(http_proxy, https_proxy);