SWDEV-483558 - Only add .bat extension once

Change-Id: I8ac5703be836766e2803e1c507aadfdfa275730d

cmake/FindHIP.cmake

@@ -151,8 +151,11 @@ if(NOT APPLE)
         find_program(HIP_HIPCONFIG_EXECUTABLE hipconfig)
     endif()
     if(NOT UNIX)
-        set(HIP_HIPCONFIG_EXECUTABLE "${HIP_HIPCONFIG_EXECUTABLE}.bat")
-        set(HIP_HIPCC_EXECUTABLE "${HIP_HIPCC_EXECUTABLE}.bat")
+        get_filename_component(HIPCONFIG_EXECUTABLE_EXT ${HIP_HIPCONFIG_EXECUTABLE} EXT)
+        if(NOT HIPCONFIG_EXECUTABLE_EXT STREQUAL ".bat")
+          set(HIP_HIPCONFIG_EXECUTABLE "${HIP_HIPCONFIG_EXECUTABLE}.bat")
+          set(HIP_HIPCC_EXECUTABLE "${HIP_HIPCC_EXECUTABLE}.bat")
+        endif()
     endif()
     mark_as_advanced(HIP_HIPCONFIG_EXECUTABLE)
     mark_as_advanced(HIP_HIPCC_EXECUTABLE)