-Fix (be6ad4db49ecbe0e6a24e00706820fc6ada9a3ca): project files were not up to date
-Change: add icon and title to error dialog
-Fix: nFileSizeHigh is 32-bit

nFileSizeHigh is the high 32-bit, not the high 16-bit.
Should we ignore files > 4 gbyte?
Merge pull request #222 from OlafvdSpek/patch-7

-Fix: nFileSizeLow is 32-bit

ignore nFileSizeHigh which is non zero only for files bigger than 4Gbytes
-Cleanup: simplify Gameloop_Logos
Merge pull request #224 from OlafvdSpek/patch-7

-Cleanup: simplify Gameloop_Logos
-Fix: use false instead of 0 for bool (patch by OlafvdSpek)
Merge pull request #219 from OlafvdSpek/patch-4

-Change: add icon and title to error dialog
-Codechange: invert the logic of 2 if-statements, reducing scoping

Also fix some minor coding-style violations.
-Fix: position coordinate on the map is only 6 bit for tile32 stucture
-Fix: remove out of bounds access in Map_CreateLandscape()

limit map coordinate to 6 bits (0-63)