Update TI_CCDDependencies.cmake

Author: zfergus

cmake/TI_CCDDependencies.cmake

@@ -13,7 +13,7 @@ include(TI_CCDDownloadExternal)
 
 if(TIGHT_INCLUSION_WITH_GMP OR TIGHT_INCLUSION_WITH_TESTS)
   #GMP
-  find_package(GMPECCD)
+  find_package(GMP)
   IF(NOT ${GMP_FOUND})
           MESSAGE(FATAL_ERROR "Cannot find GMP")
   ENDIF()
@@ -29,4 +29,4 @@ if(NOT TARGET Eigen3::Eigen)
   )
   set_property(TARGET tccd_eigen PROPERTY EXPORT_NAME Eigen3::Eigen)
   add_library(Eigen3::Eigen ALIAS tccd_eigen)
-endif()
+endif()