[Merge][CMake] Merged revisions : 6935

Revision  r6935
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[CMake]
Add missing include CheckCXXSymbolExists to FindGMP.cmake.

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[[Imported from SVN: r7282]]

cmake/modules/FindGMP.cmake

@@ -9,6 +9,7 @@
 #
 
 include(CheckIncludeFileCXX)
+include(CheckCXXSymbolExists)
 
 set(GMP_SEARCH_PATH CACHE FILEPATH "User defined list of directories to search for the GNU GMP library")