Merge branch 'CPackRPM-fixDashInRPMVersion'

Modules/CPackRPM.cmake

@@ -213,6 +213,11 @@ IF(NOT CPACK_RPM_PACKAGE_VERSION)
   ENDIF(NOT CPACK_PACKAGE_VERSION)
   SET(CPACK_RPM_PACKAGE_VERSION ${CPACK_PACKAGE_VERSION})
 ENDIF(NOT CPACK_RPM_PACKAGE_VERSION)
+# Replace '-' in version with '_'
+# '-' character is  an Illegal RPM version character
+# it is illegal because it is used to separate
+# RPM "Version" from RPM "Release"
+STRING(REPLACE "-" "_" CPACK_RPM_PACKAGE_VERSION ${CPACK_RPM_PACKAGE_VERSION})
 
 # CPACK_RPM_PACKAGE_ARCHITECTURE (optional)
 IF(CPACK_RPM_PACKAGE_ARCHITECTURE)