align_detector: Delete old results file before running pede

It doesn't always return an error code.

1 files changed, 3 insertions, 0 deletions

diff --git a/src/align_detector.c b/src/align_detector.c
index 872d0e64..e6c71966 100644
--- a/src/align_detector.c
+++ b/src/align_detector.c
@@ -31,6 +31,7 @@
 #include <config.h>
 #endif
 
+#include <unistd.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
@@ -308,6 +309,8 @@ int main(int argc, char *argv[])
 	fprintf(fh, "end\n");
 	fclose(fh);
 
+	unlink("millepede.res");
+
 	r = system("pede millepede.txt");
 	if ( r == -1 ) {
 		ERROR("Failed to run Millepde: %s\n", strerror(errno));