KWSys: Do not trust EXECUTABLE_OUTPUT_PATH for ProcessFwd9x encoding

Set target property RUNTIME_OUTPUT_DIRECTORY explicitly on ProcessFwd9x
and EncodeExecutable so that we know exactly where the executables will
exist on disk.

Source/kwsys/CMakeLists.txt

@@ -847,23 +847,19 @@ IF(KWSYS_USE_Process)
     # encode it into a C file.
     ADD_EXECUTABLE(${KWSYS_NAMESPACE}ProcessFwd9x ProcessFwd9x.c)
     ADD_EXECUTABLE(${KWSYS_NAMESPACE}EncodeExecutable EncodeExecutable.c)
+    SET_PROPERTY(TARGET ${KWSYS_NAMESPACE}ProcessFwd9x PROPERTY RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
+    SET_PROPERTY(TARGET ${KWSYS_NAMESPACE}EncodeExecutable PROPERTY RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
     SET_PROPERTY(TARGET ${KWSYS_NAMESPACE}ProcessFwd9x PROPERTY LABELS ${KWSYS_LABELS_EXE})
     SET_PROPERTY(TARGET ${KWSYS_NAMESPACE}EncodeExecutable PROPERTY LABELS ${KWSYS_LABELS_EXE})
 
-    # Construct the location of the executable to be encoded.
-    SET(BIN_DIR ${CMAKE_CURRENT_BINARY_DIR})
-    IF(EXECUTABLE_OUTPUT_PATH)
-      SET(BIN_DIR ${EXECUTABLE_OUTPUT_PATH})
-    ENDIF(EXECUTABLE_OUTPUT_PATH)
-
     SET(CFG_INTDIR "/${CMAKE_CFG_INTDIR}")
     IF(CMAKE_BUILD_TOOL MATCHES "make")
       SET(CFG_INTDIR "")
     ENDIF(CMAKE_BUILD_TOOL MATCHES "make")
 
     # Take advantage of a better custom command syntax if possible.
-    SET(CMD ${BIN_DIR}${CFG_INTDIR}/${KWSYS_NAMESPACE}EncodeExecutable.exe)
-    SET(FWD ${BIN_DIR}${CFG_INTDIR}/${KWSYS_NAMESPACE}ProcessFwd9x.exe)
+    SET(CMD ${CMAKE_CURRENT_BINARY_DIR}${CFG_INTDIR}/${KWSYS_NAMESPACE}EncodeExecutable.exe)
+    SET(FWD ${CMAKE_CURRENT_BINARY_DIR}${CFG_INTDIR}/${KWSYS_NAMESPACE}ProcessFwd9x.exe)
     ADD_CUSTOM_COMMAND(
       OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${KWSYS_NAMESPACE}ProcessFwd9xEnc.c
       COMMAND ${CMD}