Update rust-mode/ifl

Author: mssdvd

snippets/rust-mode/ifl

@@ -2,4 +2,6 @@
 # name: if let pattern = expression { ... };
 # key: ifl
 # --
-if let ${1:pattern} = ${2:expression} { $0 };
+if let ${1:pattern} = ${2:expression} {
+    $0
+};