fix formating and tests

Author: emberian

src/librustc/middle/resolve.rs

@@ -2487,7 +2487,7 @@ pub impl Resolver {
                     if module_name == ~"???" {
                         self.session.span_err(span {lo: span.lo, hi: span.lo +
                                               BytePos(str::len(*segment_name)), expn_info:
-                                              span.expn_info}, fmt!("unresolved import.  maybe \
+                                              span.expn_info}, fmt!("unresolved import. maybe \
                                                                     a missing 'extern mod %s'?",
                                                                     *segment_name));
                         return Failed;

src/test/compile-fail/issue-1697.rs

@@ -10,7 +10,7 @@
 
 // Testing that we don't fail abnormally after hitting the errors
 
-use unresolved::*; //~ ERROR unresolved name
+use unresolved::*; //~ ERROR unresolved import. maybe a missing
 //~^ ERROR failed to resolve import
 
 fn main() {