add libcblas, needed for the dgemm function. the header file is tested for in...

add libcblas, needed for the dgemm function. the header file is tested for in the config process, but the library was never linked.

examples/Makefile.am

@@ -19,7 +19,7 @@
 # Add the source directory and debug to CFLAGS
 AM_CFLAGS = -I../src -DCPU_TPS=2.67e9 -DTIMERS 
 
-AM_LDFLAGS =
+AM_LDFLAGS = -lcblas
 
 # Set-up the library
 bin_PROGRAMS = test test_bh test_bh_sorted test_fmm_sorted