Fix a memory leak each. Examples should'n have those... even if it is just on death because of error.

git-svn-id: svn://scm.orgis.org/mpg123/trunk@2828 35dc7657-300d-0410-a2e5-dc2837fedb53

doc/examples/feedseek.c

@@ -168,6 +168,7 @@ int main(int argc, char **argv)
 	out = fopen(argv[2], "wb");
 	if(out == NULL)
 	{
+		fclose(in);
 		fprintf(stderr,"Unable to open output file %s\n", argv[2]);
 		return -1;
 	}