updated makefile to avoid warnings from cmake

dlib/test/blas_bindings/CMakeLists.txt

@@ -3,7 +3,7 @@
 # information about it at http://www.cmake.org
 #
 
-cmake_minimum_required(VERSION 2.6)
+cmake_minimum_required(VERSION 2.8.4)
 
 # This variable contains a list of all the tests we are building
 # into the regression test suite.
@@ -17,7 +17,7 @@ set (tests
    )
 
 # create a variable called target_name and set it to the string "test"
-set (target_name test)
+set (target_name dtest)
 
 PROJECT(${target_name})