File fix-build.patch of Package colobot

2024-12-05 For Tumblweed gcc-15

diff --git a/src/app/main.cpp b/src/app/main.cpp
index 928628f..212972d 100644
--- a/src/app/main.cpp
+++ b/src/app/main.cpp
@@ -102,9 +102,6 @@ The current layout is the following:
 */
 
 //! Entry point to the program
-extern "C"
-{
-
 int main(int argc, char *argv[])
 {
     CLogger logger; // single instance of logger
@@ -202,5 +199,3 @@ int main(int argc, char *argv[])
 
     return code;
 }
-
-} // extern "C"