[cluttermm] test-interval-creation: Minor whitespace and const fixes.

[Murray Cumming <murrayc src gnome org>]

commit 09163474254d093cad700e7d0ad9b469e145a8f0
Author: Murray Cumming <murrayc murrayc com>
Date:   Fri Mar 14 10:35:11 2014 +0100

    test-interval-creation: Minor whitespace and const fixes.

 tests/test-interval-creation.cc |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/tests/test-interval-creation.cc b/tests/test-interval-creation.cc
index 0ea62b4..dfc6748 100644
--- a/tests/test-interval-creation.cc
+++ b/tests/test-interval-creation.cc
@@ -62,13 +62,14 @@ int main(int argc, char** argv)
     errorval += 100;
   }
 
-  double compute_fraction = 0.7;
+  const double compute_fraction = 0.7;
 
   interval2->compute_value( compute_fraction, compute2 );
   double compval =  dub_a + ( ( dub_b - dub_a ) * compute_fraction );
   if( compute2.get() != compval )
   {
-    std::cout << "Error computing a value with factor = " << compute_fraction << ": " << compute2.get() << 
"; correct value is "<< compval << std::endl;
+    std::cout << "Error computing a value with factor = " << compute_fraction
+      << ": " << compute2.get() << "; correct value is " << compval << std::endl;
     errorval += 1000;
   }