Fixed the BLAS and LAPACK bindings so they work with the 64bit version of the Intel MKL

when used on Windows.

dlib/matrix/lapack/fortran_id.h

@@ -46,6 +46,9 @@ namespace dlib
 #if defined(__alpha__) || defined(__sparc64__) || defined(__x86_64__) || defined(__ia64__)
             typedef int integer;
             typedef unsigned int uinteger;
+#elif defined(_M_X64) // If we are building on windows in Win64 mode 
+            typedef long long int integer;
+            typedef unsigned long long int uinteger;
 #else
             typedef long int integer;
             typedef unsigned long int uinteger;