Assorted spelling fixes.

dlls/kernel32/thunk.c

@@ -117,7 +117,7 @@ struct ThunkDataSL
     char                   pszDll32[256];     /*120 */
 
     We do it differently since all our thunk handling is done
-    by 32-bit code. Therefore we do not need do provide
+    by 32-bit code. Therefore we do not need to provide
     easy access to this data, especially the process target
     table database, for 16-bit code.
 #endif
@@ -1542,7 +1542,7 @@ void WINAPI C16ThkSL01(CONTEXT86 *context)
         context->SegCs  = HIWORD(context->Eax);
 
         /* Since C16ThkSL01 got called by a jmp, we need to leave the
-           orginal return address on the stack */
+           original return address on the stack */
         context->Esp -= 4;
     }
     else

dlls/ole32/tests/storage32.c

@@ -388,7 +388,7 @@ static void test_open_storage(void)
 
     DeleteFileW(filename);
 
-    /* try opening a non-existant file - it should create it */
+    /* try opening a nonexistent file - it should create it */
     stgm = STGM_DIRECT | STGM_SHARE_EXCLUSIVE | STGM_READWRITE;
     r = StgOpenStorage( filename, NULL, stgm, NULL, 0, &stg);
     ok(r==S_OK, "StgOpenStorage failed: 0x%08lx\n", r);

dlls/shlwapi/path.c

@@ -1112,7 +1112,7 @@ BOOL WINAPI PathFileExistsDefExtW(LPWSTR lpszPath,DWORD dwWhich)
  *
  * NOTES
  *  lpszPath is modified in place and must be at least MAX_PATH in length.
- *  If the function returns FALSE, the path is modified to its orginal state.
+ *  If the function returns FALSE, the path is modified to its original state.
  *  If the given path contains an extension or dwWhich is 0, executable
  *  extensions are not checked.
  *

tools/winapi/winapi_check_options.pm

@@ -104,7 +104,7 @@ my %options_long = (
     "documentation-pedantic" => {
 	default => 0,
 	parent => "documentation",
-	description => "be pendantic when checking for documentation inconsistencies"
+	description => "be pedantic when checking for documentation inconsistencies"
 	},
 
     "documentation-arguments" => {