turbojpeg.c: Fix compiler warning w/ -DNO_GETENV

diff --git a/turbojpeg.c b/turbojpeg.c
index 7ab49c01507efba7d79459bb7084e3adda2bbc3a..330a0040bbafe724e682622dfc1ae5802a3cb5be 100644 (file)
--- a/turbojpeg.c
+++ b/turbojpeg.c
@@ -175,7 +175,9 @@ static int setCompDefaults(struct jpeg_compress_struct *cinfo,
        int pixelFormat, int subsamp, int jpegQual, int flags)
 {
        int retval=0;
+#ifndef NO_GETENV
        char *env=NULL;
+#endif
 
        switch(pixelFormat)
        {