Made the console output from the verbose parallel for routines

a little nicer.

dlib/threads/parallel_for_extension.h

@@ -403,6 +403,7 @@ namespace dlib
 
         impl::parfor_verbose_helper<T> helper(obj, funct, begin, end);
         parallel_for(tp, begin, end, helper, chunks_per_thread);
+        std::cout << std::endl;
     }
 
 // ----------------------------------------------------------------------------------------
@@ -428,6 +429,7 @@ namespace dlib
 
         impl::parfor_verbose_helper<T> helper(obj, funct, begin, end);
         parallel_for(num_threads, begin, end, helper, chunks_per_thread);
+        std::cout << std::endl;
     }
 
 // ----------------------------------------------------------------------------------------
@@ -452,6 +454,7 @@ namespace dlib
 
         impl::parfor_verbose_helper2<T> helper(funct, begin, end);
         parallel_for(tp, begin, end,  helper, chunks_per_thread);
+        std::cout << std::endl;
     }
 
 // ----------------------------------------------------------------------------------------
@@ -476,6 +479,7 @@ namespace dlib
 
         impl::parfor_verbose_helper2<T> helper(funct, begin, end);
         parallel_for(num_threads, begin, end, helper, chunks_per_thread);
+        std::cout << std::endl;
     }
 
 // ----------------------------------------------------------------------------------------
@@ -501,6 +505,7 @@ namespace dlib
 
         impl::parfor_verbose_helper3<T> helper(obj, funct, begin, end);
         parallel_for_blocked(tp, begin, end, helper, chunks_per_thread);
+        std::cout << std::endl;
     }
 
 // ----------------------------------------------------------------------------------------
@@ -526,6 +531,7 @@ namespace dlib
 
         impl::parfor_verbose_helper3<T> helper(obj, funct, begin, end);
         parallel_for_blocked(num_threads, begin, end, helper, chunks_per_thread);
+        std::cout << std::endl;
     }
 
 // ----------------------------------------------------------------------------------------
@@ -550,6 +556,7 @@ namespace dlib
 
         impl::parfor_verbose_helper2<T> helper(funct, begin, end);
         parallel_for_blocked(tp, begin, end,  helper, chunks_per_thread);
+        std::cout << std::endl;
     }
 
 // ----------------------------------------------------------------------------------------
@@ -574,6 +581,7 @@ namespace dlib
 
         impl::parfor_verbose_helper2<T> helper(funct, begin, end);
         parallel_for_blocked(num_threads, begin, end, helper, chunks_per_thread);
+        std::cout << std::endl;
     }
 
 // ----------------------------------------------------------------------------------------