CI: use gcc 13

Author: tretre91

.github/workflows/build.yml

@@ -16,6 +16,7 @@ jobs:
 
     env:
         PKG_CONFIG_PATH: ${{github.workspace}}/install/lib/x86_64-linux-gnu/pkgconfig
+        CC: gcc-13
 
     steps:
       - uses: actions/checkout@v4

include/MyGL/Event.hpp

@@ -296,7 +296,7 @@ namespace my
         /**
          * @brief A struct for storing the state of the keyboard modifier keys
          */
-        struct Modifiers {
+        struct MYGL_EXPORT Modifiers {
             bool shift = false;
             bool ctrl = false;
             bool alt = false;
@@ -351,4 +351,4 @@ namespace my
 
 } // namespace my
 
-#endif // MYGL_EVENT
+#endif // MYGL_EVENT