Ported jpgtest.cxx to pure C to avoid the need for a C++ compiler


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@355 632fc199-4ca6-4c93-a231-07263d6284db
diff --git a/Makefile.am b/Makefile.am
index 2f7e773..adfa5c0 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -66,7 +66,7 @@
 bin_PROGRAMS = cjpeg djpeg jpegtran rdjpgcom wrjpgcom
 noinst_PROGRAMS = jpgtest jpegut
 
-jpgtest_SOURCES = $(TSTHDRS) jpgtest.cxx bmp.h bmp.c
+jpgtest_SOURCES = $(TSTHDRS) jpgtest.c bmp.h bmp.c
 
 jpgtest_LDADD = libturbojpeg.la