use more modern libpng version instead of the system-provided one and fix compile errors

1 files changed, 1 insertions, 1 deletions

diff --git a/configure b/configure
index 2bcfbdf62e..cc96f038b0 100755
--- a/configure
+++ b/configure
@@ -48,7 +48,7 @@ case ${MASON_PLATFORM} in
     *)
         GLFW_VERSION=a21f2377
         SQLITE_VERSION=system
-        LIBPNG_VERSION=system
+        LIBPNG_VERSION=1.6.13
         LIBCURL_VERSION=system
         LIBUV_VERSION=0.10.28
         ZLIB_VERSION=system