Log missing MissileType definition. (and ShowLoadProgress when loading succeed).

src/include/missileconfig.h

@@ -46,6 +46,7 @@ class MissileConfig
 public:
 	MissileConfig() : Missile(NULL) {}
 
+	bool MapMissileNoLog();
 	bool MapMissile();
 
 public:

src/missile/missileconfig.cpp

@@ -34,11 +34,30 @@
 #include "missileconfig.h"
 
 #include "missile.h"
+#include "translate.h"
+#include "ui.h"
 
-bool MissileConfig::MapMissile()
+bool MissileConfig::MapMissileNoLog()
 {
+	if (this->Name.empty()) {
+		this->Missile = NULL;
+		return true;
+	}
 	this->Missile = MissileTypeByIdent(this->Name);
 	return this->Missile != NULL;
 }
 
+bool MissileConfig::MapMissile()
+{
+	if (MapMissileNoLog() == true) {
+		if (this->Name.empty() == false) {
+			ShowLoadProgress(_("Missile %s"), this->Name.c_str());
+		}
+		return true;
+	} else {
+		fprintf(stderr, _("Can't find missile %s\n"), this->Name.c_str());
+		return false;
+	}
+}
+
 //@}