CCOLCAMD -> CCOLAMD.

Correction for cmake typo caught by whatnick.

internal/ceres/CMakeLists.txt

diff --git a/internal/ceres/CMakeLists.txt b/internal/ceres/CMakeLists.txt
index f7caa6c..2793ee5 100644
--- a/internal/ceres/CMakeLists.txt
+++ b/internal/ceres/CMakeLists.txt
@@ -114,7 +114,7 @@
 
 IF (SUITESPARSE)
   LIST(APPEND CERES_LIBRARY_DEPENDENCIES ${CHOLMOD_LIB})
-  LIST(APPEND CERES_LIBRARY_DEPENDENCIES ${CCOLCAMD_LIB})
+  LIST(APPEND CERES_LIBRARY_DEPENDENCIES ${CCOLAMD_LIB})
   LIST(APPEND CERES_LIBRARY_DEPENDENCIES ${CAMD_LIB})
   LIST(APPEND CERES_LIBRARY_DEPENDENCIES ${COLAMD_LIB})
   LIST(APPEND CERES_LIBRARY_DEPENDENCIES ${AMD_LIB})