Fix some gcc warnings

Fix #14845, close #14846

PowerEditor/src/MISC/Common/Common.cpp

@@ -59,8 +59,8 @@ std::string getFileContent(const TCHAR *file2read)
 	char data[blockSize];
 	std::string wholeFileContent = "";
 	FILE *fp = _wfopen(file2read, TEXT("rb"));
-    if (!fp)
-        return "";
+	if (!fp)
+		return "";
 
 	size_t lenFile = 0;
 	do

PowerEditor/src/Notepad_plus.cpp

@@ -6430,6 +6430,7 @@ void Notepad_plus::notifyBufferChanged(Buffer * buffer, int mask)
 		{
 			case DOC_UNNAMED: 	//nothing todo
 			case DOC_REGULAR: 	//nothing todo
+			case DOC_INACCESSIBLE: 	//nothing todo
 			{
 				break;
 			}

PowerEditor/src/Parameters.cpp

@@ -2820,16 +2820,16 @@ void NppParameters::feedShortcut(TiXmlNodeA *node)
 		childNode ;
 		childNode = childNode->NextSibling("Shortcut"))
 	{
-		int id;
+		int id = 0;
 		const char* idStr = (childNode->ToElement())->Attribute("id", &id);
 		if (idStr)
 		{
 			//find the commandid that matches this Shortcut sc and alter it, push back its index in the modified list, if not present
 			size_t len = _shortcuts.size();
 			bool isFound = false;
-			for (size_t i = 0; i < len, !isFound; ++i)
+			for (size_t i = 0; i < len && !isFound; ++i)
 			{
-				if (_shortcuts[i].getID() == (unsigned long)id)
+				if (_shortcuts[i].getID() == static_cast<unsigned long>(id))
 				{	//found our match
 					isFound = getInternalCommandShortcuts(childNode, _shortcuts[i]);
 

PowerEditor/src/ScintillaComponent/ScintillaEditView.cpp

@@ -505,7 +505,7 @@ LRESULT ScintillaEditView::scintillaNew_Proc(HWND hwnd, UINT Message, WPARAM wPa
 			// prevent "control characters" from being entered in text
 			// (don't need to be concerned about Tab or CR or LF etc here)
 			if ((NppParameters::getInstance()).getSVP()._npcNoInputC0 &&
-				((wParam >= 0 && wParam <= 31) || wParam == 127))
+				(wParam <= 31 || wParam == 127))
 			{
 				return FALSE;
 			}