Avoid newline in date output.

cmake/mysql_version.cmake

@@ -123,7 +123,7 @@ SET(COMPANYNAME ${CPACK_PACKAGE_VENDOR})
 #  EXECUTE_PROCESS(COMMAND "date" "/T" OUTPUT_VARIABLE TMP_DATE)
 #  STRING(REGEX REPLACE "(..)/(..)/..(..).*" "\\3\\2\\1" MYSQL_COPYRIGHT_YEAR ${TMP_DATE})
 IF(UNIX)
-  EXECUTE_PROCESS(COMMAND "date" "+%Y" OUTPUT_VARIABLE MYSQL_COPYRIGHT_YEAR)
+  EXECUTE_PROCESS(COMMAND "date" "+%Y" OUTPUT_VARIABLE MYSQL_COPYRIGHT_YEAR OUTPUT_STRIP_TRAILING_WHITESPACE)
 ENDIF()
 
 # Add version information to the exe and dll files