Fixed various spelling mistakes.

dlls/advapi32/tests/lsa.c

@@ -249,7 +249,7 @@ static void test_LsaLookupNames2(void)
 
     if (!pLsaLookupNames2)
     {
-        win_skip("LsaLookupNames2 not avaliable\n");
+        win_skip("LsaLookupNames2 not available\n");
         return;
     }
 

dlls/gdiplus/graphicspath.c

@@ -364,7 +364,7 @@ GpStatus WINGDIPAPI GdipAddPathClosedCurve2(GpPath *path, GDIPCONST GpPointF *po
     }
 
     /* points [len_pt-2] and [0] are calculated
-       separetely to connect splines properly */
+       separately to connect splines properly */
     pts[0] = points[count-1];
     pts[1] = points[0]; /* equals to start and end of a resulting path */
     pts[2] = points[1];

dlls/hhctrl.ocx/index.c

@@ -89,7 +89,7 @@ static void parse_index_obj_node_param(IndexItem *item, const char *text)
     }else if(!item->keyword && !strncasecmp("name", ptr, len)) {
         /* Some HTML Help index files use an additional "name" parameter
          * rather than the "keyword" parameter.  In this case, the first
-         * occurance of the "name" parameter is the keyword.
+         * occurrence of the "name" parameter is the keyword.
          */
         param = &item->keyword;
     }else if(!strncasecmp("name", ptr, len)) {

dlls/kernel32/path.c

@@ -162,7 +162,7 @@ static BOOL add_boot_rename_entry( LPCWSTR source, LPCWSTR dest, DWORD flags )
 
     if (NtCreateKey( &Reboot, KEY_ALL_ACCESS, &attr, 0, NULL, 0, NULL ) != STATUS_SUCCESS)
     {
-        WARN("Error creating key for reboot managment [%s]\n",
+        WARN("Error creating key for reboot management [%s]\n",
              "SYSTEM\\CurrentControlSet\\Control\\Session Manager");
         RtlFreeUnicodeString( &source_name );
         RtlFreeUnicodeString( &dest_name );

dlls/msctf/context.c

@@ -262,7 +262,7 @@ static HRESULT WINAPI Context_RequestEditSession (ITfContext *iface,
 
     if (!This->pITextStoreACP)
     {
-        FIXME("No ITextStoreACP avaliable\n");
+        FIXME("No ITextStoreACP available\n");
         *phrSession = E_FAIL;
         return E_FAIL;
     }

dlls/quartz/avisplit.c

@@ -899,7 +899,7 @@ static HRESULT AVISplitter_InitializeStreams(AVISplitterImpl *This)
 
         nMax = This->oldindex->cb / sizeof(This->oldindex->aIndex[0]);
 
-        /* Ok, maybe this is more of an excercise to see if I interpret everything correctly or not, but that is useful for now. */
+        /* Ok, maybe this is more of an exercise to see if I interpret everything correctly or not, but that is useful for now. */
         for (n = 0; n < nMax; ++n)
         {
             DWORD streamId = StreamFromFOURCC(This->oldindex->aIndex[n].dwChunkId);

include/xinput.h

@@ -105,7 +105,7 @@
 
 /*
  * Defines what type of abilities the type of joystick has
- * DEVTYPE_GAMEPAD is avaliable for all joysticks, however
+ * DEVTYPE_GAMEPAD is available for all joysticks, however
  * there may be more specfic identifiers for other joysticks
  * which are being used.
  */