Bug #16619754 - MYSQL_INSTALL_DB.PL FAILS TO CREATE DATABASE ON WINDOWS.

As this mysql_install_db.pl file has always generated lots of confusion on Windows.  This fix will make sure to get it removed only from Windows

scripts/CMakeLists.txt

@@ -198,24 +198,17 @@ ELSE()
   SET(localstatedir ${MYSQL_DATADIR})
 ENDIF()
 
-IF(UNIX)
-CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/mysql_install_db.sh
-  ${CMAKE_CURRENT_BINARY_DIR}/mysql_install_db ESCAPE_QUOTES @ONLY)
+IF(NOT WIN32)
+  CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/mysql_install_db.pl.in
+    ${CMAKE_CURRENT_BINARY_DIR}/mysql_install_db ESCAPE_QUOTES @ONLY)
   SET(DEST ${INSTALL_SCRIPTDIR})
-  SET(EXT)
-ELSE()
- CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/mysql_install_db.pl.in
-   ${CMAKE_CURRENT_BINARY_DIR}/mysql_install_db.pl ESCAPE_QUOTES @ONLY)
- SET(DEST ${INSTALL_SCRIPTDIR})
- SET(EXT ".pl")
-ENDIF()
 
-INSTALL_SCRIPT(
- "${CMAKE_CURRENT_BINARY_DIR}/mysql_install_db${EXT}"
-  DESTINATION ${DEST}
-  COMPONENT Server
+  INSTALL_SCRIPT(
+   "${CMAKE_CURRENT_BINARY_DIR}/mysql_install_db"
+    DESTINATION ${DEST}
+    COMPONENT Server
   )
-
+ENDIF()
 
 SET(prefix "${CMAKE_INSTALL_PREFIX}")
 SET(sysconfdir ${prefix})