avoid unused arguments compiler warning

PetrDlouhy · Aug 21, 2013 · 0ab983e · 0ab983e
1 parent e3e71f1
commit 0ab983e
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/png_reader.cpp b/src/png_reader.cpp
@@ -136,7 +136,7 @@ void png_reader::init()
             throw image_reader_exception("failed to create info_ptr");
         }
     }
-    catch (std::exception const& ex)
+    catch (std::exception const& /*ex*/)
     {
         png_destroy_read_struct(&png_ptr,0,0);
         fclose(fp);
@@ -198,7 +198,7 @@ void png_reader::read(unsigned x0, unsigned y0,image_data_32& image)
             throw image_reader_exception("failed to create info_ptr");
         }
     }
-    catch (std::exception const& ex)
+    catch (std::exception const& /*ex*/)
     {
         png_destroy_read_struct(&png_ptr,0,0);
         fclose(fp);