Fix build breakage on old SuiteSparse.

Errant semi colon is to blame.

Thanks to Timothy Langlois for reporting this.

Change-Id: I57bb1cd69d78ab1897ead3627539a0da11b97455

internal/ceres/suitesparse.h

diff --git a/internal/ceres/suitesparse.h b/internal/ceres/suitesparse.h
index 5797160..16f298e 100644
--- a/internal/ceres/suitesparse.h
+++ b/internal/ceres/suitesparse.h
@@ -64,7 +64,7 @@
 // SuiteSparse, we define SuiteSparse_long to be the same as UF_long,
 // which is what recent versions of SuiteSparse do anyways.
 #ifndef SuiteSparse_long
-#define SuiteSparse_long UF_long;
+#define SuiteSparse_long UF_long
 #endif
 
 namespace ceres {