pass argv[0] down to manip tests

src/test_unit/main.c

@@ -26,7 +26,7 @@ int main(int argc, char *argv[])
 	if(0 != test_bitbuffer())
 		return 1;
 
-	if(0 != test_metadata())
+	if(0 != test_metadata(argv[0]))
 		return 1;
 
 	return 0;

src/test_unit/metadata.c

@@ -20,14 +20,14 @@
 #include <stdio.h>
 
 extern int test_metadata_object();
-extern int test_metadata_file_manipulation();
+extern int test_metadata_file_manipulation(const char *progname);
 
-int test_metadata()
+int test_metadata(const char *progname)
 {
 	if(0 != test_metadata_object())
 		return 1;
 
-	if(0 != test_metadata_file_manipulation())
+	if(0 != test_metadata_file_manipulation(progname))
 		return 1;
 
 	printf("\nPASSED!\n");

src/test_unit/metadata.h

@@ -19,6 +19,6 @@
 #ifndef FLAC__TEST_UNIT_METADATA_H
 #define FLAC__TEST_UNIT_METADATA_H
 
-int test_metadata();
+int test_metadata(const char *progname);
 
 #endif