Add EVA_InsufficientFunds to GameStrings.h

[FS-21]

From:

// EVA entry names
GAMEMD_STRING(EVA_StructureSold , 0x819030u);
GAMEMD_STRING(EVA_UnitSold , 0x822630u);
GAMEMD_STRING(EVA_OreMinerUnderAttack, 0x824784u);
GAMEMD_STRING(EVA_CannotDeployHere , 0x82012Cu);
GAMEMD_STRING(EVA_UnitReady , 0x8249A0u);

To:
GAMEMD_STRING(EVA_StructureSold , 0x819030u);
GAMEMD_STRING(EVA_InsufficientFunds , 0x819044u);
GAMEMD_STRING(EVA_UnitSold , 0x822630u);
GAMEMD_STRING(EVA_OreMinerUnderAttack, 0x824784u);
GAMEMD_STRING(EVA_CannotDeployHere , 0x82012Cu);
GAMEMD_STRING(EVA_UnitReady , 0x8249A0u);

[FS-21]

Here in YRpp I can't create pull requests like in Phobos :-/