support the printscreen button properly

apps/openmw/mwinput/inputmanagerimp.cpp

@@ -716,7 +716,7 @@ namespace MWInput
         defaultKeyBindings[A_QuickKey8] = SDLK_8;
         defaultKeyBindings[A_QuickKey9] = SDLK_9;
         defaultKeyBindings[A_QuickKey10] = SDLK_0;
-        defaultKeyBindings[A_Screenshot] = SDLK_SYSREQ;
+        defaultKeyBindings[A_Screenshot] = SDLK_PRINTSCREEN;
         defaultKeyBindings[A_ToggleHUD] = SDLK_F12;
 
         std::map<int, int> defaultMouseButtonBindings;

extern/oics/ICSInputControlSystem.cpp

@@ -892,6 +892,7 @@ namespace ICS
 		mKeys["RCONTROL"]= SDLK_RCTRL;
 		mKeys["DIVIDE"]= SDLK_SLASH;
 		mKeys["SYSRQ"]= SDLK_SYSREQ;
+		mKeys["PRNTSCRN"] = SDLK_PRINTSCREEN;
 		mKeys["RMENU"]= SDLK_RALT;
 		mKeys["PAUSE"]= SDLK_PAUSE;
 		mKeys["HOME"]= SDLK_HOME;

extern/sdl4ogre/sdlinputwrapper.cpp

@@ -345,7 +345,7 @@ namespace SFO
         if(ois_equiv != mKeyMap.end())
             kc = ois_equiv->second;
         else
-            std::cerr << "Couldn't find OIS key for " << SDLK_SYSREQ << std::endl;
+            std::cerr << "Couldn't find OIS key for " << code << std::endl;
 
         return kc;
     }