Fix another line-reporting bug in Haml.

lib/haml/precompiler.rb

@@ -139,6 +139,7 @@ END
 
         if old_line.text.nil? || suppress_render
           old_line = line
+          resolve_newlines
           newline
           next
         end
@@ -748,6 +749,7 @@ END
     end
 
     def resolve_newlines
+      return unless @newlines > 0
       @precompiled << "\n" * @newlines
       @newlines = 0
     end

test/haml/engine_test.rb

@@ -35,7 +35,8 @@ END
 
     # Regression tests
     "- raise 'foo'\n\n\n\nbar" => ["foo", 1],
-    "= 'foo'\n-raise 'foo'" => ["foo", 2]
+    "= 'foo'\n-raise 'foo'" => ["foo", 2],
+    "\n\n\n- raise 'foo'" => ["foo", 4],
   }
 
   User = Struct.new('User', :id)