Assorted spelling fixes.

dlls/oleaut32/variant.c

@@ -3551,7 +3551,7 @@ VarXor_Exit:
  *  pVarOut   [O] Destination for comparison result
  *
  * RETURNS
- *  Success: S_OK. pVarOut contains the result of the comparason (VARIANT_TRUE
+ *  Success: S_OK. pVarOut contains the result of the comparison (VARIANT_TRUE
  *           if equivalent or non-zero otherwise.
  *  Failure: An HRESULT error code indicating the error.
  *

dlls/shell32/shlexec.c

@@ -153,7 +153,7 @@ static BOOL SHELL_ArgifyW(WCHAR* out, int len, const WCHAR* fmt, const WCHAR* lp
                 break;
 
             /*
-             * IE uses this alot for activating things such as windows media
+             * IE uses this a lot for activating things such as windows media
              * player. This is not verified to be fully correct but it appears
              * to work just fine.
              */
@@ -918,7 +918,7 @@ BOOL WINAPI ShellExecuteExW32 (LPSHELLEXECUTEINFOW sei, SHELL_ExecuteW32 execfun
     static const WCHAR wExplorer[] = {'e','x','p','l','o','r','e','r','.','e','x','e',0};
 
     WCHAR wszApplicationName[MAX_PATH+2], wszCommandline[1024], wszDir[MAX_PATH];
-    SHELLEXECUTEINFOW sei_tmp;	/* modifyable copy of SHELLEXECUTEINFO struct */
+    SHELLEXECUTEINFOW sei_tmp;	/* modifiable copy of SHELLEXECUTEINFO struct */
     WCHAR wfileName[MAX_PATH];
     void *env;
     WCHAR lpstrProtocol[256];

dlls/shlwapi/ordinal.c

@@ -2641,7 +2641,7 @@ DWORD WINAPI WhichPlatform()
   GET_FUNC(pDllGetVersion, shell32, "DllGetVersion", 1);
   dwState = pDllGetVersion ? 2 : 1;
 
-  /* Set or delete the key accordinly */
+  /* Set or delete the key accordingly */
   dwRet = RegOpenKeyExA(HKEY_LOCAL_MACHINE,
                         "Software\\Microsoft\\Internet Explorer", 0,
                          KEY_ALL_ACCESS, &hKey);