Fixed warnings for GCC -Wpedantic

imconfig.h

@@ -39,6 +39,6 @@ namespace ImGui
 {
     void    Value(const char* prefix, const MyVec2& v, const char* float_format = NULL);
     void    Value(const char* prefix, const MyVec4& v, const char* float_format = NULL);
-};
+}
 */
 

imgui.cpp

@@ -243,7 +243,7 @@ static void         FocusWindow(ImGuiWindow* window);
 static ImGuiWindow* FindWindow(const char* name);
 static ImGuiWindow* FindHoveredWindow(ImVec2 pos, bool excluding_childs);
 
-}; // namespace ImGui
+} // namespace ImGui
 
 //-----------------------------------------------------------------------------
 // Platform dependant default implementations
@@ -3842,7 +3842,7 @@ bool RadioButton(const char* label, int* v, int v_button)
     return pressed;
 }
 
-}; // namespace ImGui
+} // namespace ImGui
 
 // Wrapper for stb_textedit.h to edit text (our wrapper is for: statically sized buffer, single-line, ASCII, fixed-width font)
 int     STB_TEXTEDIT_STRINGLEN(const STB_TEXTEDIT_STRING* obj)                                  { return (int)ImStrlenW(obj->Text); }
@@ -5028,7 +5028,7 @@ void Color(const char* prefix, unsigned int v)
     ImGui::ColorButton(col, true);
 }
 
-}; // namespace ImGui
+} // namespace ImGui
 
 //-----------------------------------------------------------------------------
 // ImDrawList
@@ -6464,7 +6464,7 @@ void ShowTestWindow(bool* open)
 }
 // End of Sample code
 
-}; // namespace ImGui
+} // namespace ImGui
 
 //-----------------------------------------------------------------------------
 // Font data
@@ -6673,7 +6673,7 @@ void GetDefaultFontData(const void** fnt_data, unsigned int* fnt_size, const voi
     if (png_size) *png_size = proggy_clean_13_png_size;
 }
 
-};
+} // namespace ImGui
 
 //-----------------------------------------------------------------------------
 

imgui.h

@@ -63,7 +63,7 @@ namespace ImGui
     void*       MemAlloc(size_t sz);
     void        MemFree(void* ptr);
     void*       MemRealloc(void* ptr, size_t sz);
-};
+}
 
 // std::vector<> like class to avoid dragging dependencies (also: windows implementation of STL with debug enabled is absurdly slow, so let's bypass it so our code runs fast in debug). 
 // Use '#define ImVector std::vector' if you want to use the STL type or your own type.
@@ -279,7 +279,7 @@ namespace ImGui
     void        GetDefaultFontData(const void** fnt_data, unsigned int* fnt_size, const void** png_data, unsigned int* png_size);
     ImVec2      CalcTextSize(const char* text, const char* text_end = NULL, const bool hide_text_after_hash = true);
 
-}; // namespace ImGui
+} // namespace ImGui
 
 // Flags for ImGui::Begin()
 enum ImGuiWindowFlags_