gdi32: Avoid memory leaks (coverity).

dlls/gdi32/bidi.c

@@ -545,6 +545,9 @@ BOOL BIDI_Reorder(
                 WARN("Out of memory\n");
                 HeapFree(GetProcessHeap(), 0, chartype);
                 HeapFree(GetProcessHeap(), 0, levels);
+                HeapFree(GetProcessHeap(), 0, run_glyphs);
+                HeapFree(GetProcessHeap(), 0, pwLogClust);
+                HeapFree(GetProcessHeap(), 0, psva);
                 return FALSE;
             }
             res = ScriptItemize(lpString + done, i, maxItems, &Control, &State, pItems, &nItems);

dlls/gdi32/tests/bitmap.c

@@ -3741,7 +3741,7 @@ static void test_GdiAlphaBlend(void)
     DeleteObject(bmpDst);
 
     ReleaseDC(NULL, hdcNull);
-
+    HeapFree(GetProcessHeap(), 0, bmi);
 }
 
 static void test_GdiGradientFill(void)
@@ -3854,6 +3854,7 @@ static void test_GdiGradientFill(void)
 
     DeleteDC( hdc );
     DeleteObject( bmp );
+    HeapFree(GetProcessHeap(), 0, bmi);
 }
 
 static void test_clipping(void)

dlls/gdi32/tests/dib.c

@@ -1308,6 +1308,7 @@ static void compare_hash_broken_todo(HDC hdc, BITMAPINFO *bmi, BYTE *bits, const
         if(current_sha1[i] == NULL)
         {
             ok(current_sha1[i] != NULL, "missing hash, got \"%s\",\n", hash);
+            HeapFree(GetProcessHeap(), 0, hash);
             return;
         }
     }