auto merge of #6245 : youknowone/rust/match-range-static, r=graydon

Fix unintended error problem of:
````
static s: int = 1;
static e: int = 42;

fn main() {
    match 7 {
        s..e => (),
         ^~                 error: expected `=>` but found `..`
        _ => (),
    }
}
````

src/test/run-pass/match-range-static.rs

@@ -0,0 +1,10 @@
+static s: int = 1;
+static e: int = 42;
+
+fn main() {
+    match 7 {
+        s..e => (),
+        _ => (),
+    }
+}
+