Fix a few compiler warnings

src/gui/C4Gui.cpp

@@ -686,7 +686,7 @@ Dialog *Screen::GetDialog(CStdWindow * pWindow)
 	// get dialog with matching window
 	Dialog *pDlg;
 	for (Element *pEl = pLast; pEl; pEl = pEl->GetPrev())
-		if (pDlg = pEl->GetDlg())
+		if ( (pDlg = pEl->GetDlg()) != NULL)
 			if (pDlg->pWindow == pWindow)
 				return pDlg;
 	return NULL;

src/platform/StdMeshLoaderBinary.cpp

@@ -49,6 +49,7 @@ namespace
 				// Only one set of each of these elements allowed
 				if (semanticSeen[element.semantic])
 					return false;
+				break;
 			}
 			semanticSeen[element.semantic] = true;
 		}
@@ -366,5 +367,5 @@ void StdMeshLoader::LoadSkeletonBinary(StdMesh *mesh, const char *src, size_t si
 		}
 	}
 
-	DebugLogF("Loaded skeleton with %d bones, %d animations", mesh->GetNumBones(), animations.size());
+	DebugLogF("Loaded skeleton with %u bones, %u animations", mesh->GetNumBones(), static_cast<unsigned int>(animations.size()));
 }

src/platform/StdSurface2.cpp

@@ -485,12 +485,13 @@ bool CSurface::PageFlip(RECT *pSrcRt, RECT *pDstRt)
 	if (!lpDDraw->pApp || !lpDDraw->pApp->AssertMainThread()) return false;
 #ifdef USE_GL
 	if(pGL)
-		pCtx->PageFlip();
+		return pCtx->PageFlip();
 #endif
 #ifdef USE_DIRECTX
 	if (pD3D)
-		pD3D->PageFlip(pSrcRt, pDstRt);
+		return pD3D->PageFlip(pSrcRt, pDstRt);
 #endif
+	return true;
 	}
 
 #ifdef USE_DIRECTX

src/platform/StdSurface2.h

@@ -76,9 +76,9 @@ class CDDrawCfg
 		bool Shader; // whether to use pixelshaders
 
 		CDDrawCfg():
+			ClipManuallyE (true),
 			NoOffscreenBlits (true), // not yet working properly...
-			Shader (false),
-			ClipManuallyE (true)
+			Shader (false)
 			{
 			}
 	};

src/platform/StdXWindow.cpp

@@ -50,7 +50,7 @@
 /* CStdWindow */
 
 CStdWindow::CStdWindow ():
-	Active(false), wnd(0), renderwnd(0), dpy(0), Hints(0), HasFocus(false), Info(0), pSurface(0)
+	Active(false), pSurface(0), wnd(0), renderwnd(0), dpy(0), Hints(0), HasFocus(false), Info(0)
 {
 }
 CStdWindow::~CStdWindow () {

src/script/C4AulDebug.cpp

@@ -294,7 +294,7 @@ bool C4AulDebug::SendLine(const char *szType, const char *szData)
 void C4AulDebug::DebugStep(C4AulBCC *pCPos)
 	{
 	// Get top context
-	C4AulScriptContext *pCtx = pExec->GetContext(pExec->GetContextDepth() - 1);
+	//C4AulScriptContext *pCtx = pExec->GetContext(pExec->GetContextDepth() - 1);
 
 	// Already stopped? Ignore.
 	// This means we are doing some calculation with suspended script engine.
@@ -455,4 +455,4 @@ StdStrBuf C4AulDebug::FormatCodePos(C4AulScriptContext *pCtx, C4AulBCC *pCPos)
 	return FormatString("%s:%d", RelativePath(pCtx->Func->pOrgScript->ScriptName), iLine);
 	}
 
-#endif
+#endif

src/script/C4AulParse.cpp

@@ -1962,6 +1962,7 @@ int C4AulParseState::Parse_Params(int iMaxCnt, const char * sWarn, C4AulFunc * p
 						}
 					case AB_ARRAYA_R: case AB_PAR_R: case AB_PARN_R: case AB_VARN_R: case AB_LOCALN_R: case AB_GLOBALN_R:
 						from = C4V_pC4Value; break;
+					default: break; // avoid compiler warning about unhandled enumerators
 					}
 				if (C4Value::WarnAboutConversion(from, to))
 					{