fixed some recently introduced compilation errors in the standard library

lib/core/locks.nim

@@ -15,7 +15,7 @@
 ## to release its locks should it be part of a deadlock. This thread then
 ## re-acquires its locks and proceeds.
 
-include "lib/system/syslocks"
+include "system/syslocks"
 
 type
   TLock* = TSysLock ## Nimrod lock; whether this is re-entrant

lib/windows/shellapi.nim

@@ -105,7 +105,7 @@ proc ShellAbout*(HWND: hWnd, szApp: LPCSTR, szOtherStuff: LPCSTR, HICON: hIcon):
     stdcall, dynlib: "shell32.dll", importc: "ShellAboutA".}
 proc ShellAbout*(HWND: hWnd, szApp: LPCWSTR, szOtherStuff: LPCWSTR, HICON: hIcon): int32{.
     stdcall, dynlib: "shell32.dll", importc: "ShellAboutW".}
-proc DuplicateIcon*(hinst: HINST, HICON: hIcon): HIcon{.stdcall,
+proc DuplicateIcon*(inst: HINST, icon: HICON): HIcon{.stdcall,
     dynlib: "shell32.dll", importc: "DuplicateIcon".}
 proc ExtractAssociatedIconA*(hInst: HINST, lpIconPath: LPSTR, lpiIcon: LPWORD): HICON{.
     stdcall, dynlib: "shell32.dll", importc: "ExtractAssociatedIconA".}

tests/compile/tslurp.nim

@@ -1,6 +1,6 @@
 
 const
-  myRes = slurp"readme.txt"
+  myRes = slurp"../../readme.txt"
   
 echo myRes