Fix: create folder for testfiles

Implementierung/Makefile

@@ -30,6 +30,7 @@ md2: ${OBJ}
 	${CC} -o $@ $(OBJ) ${LDFLAGS}
 
 t/%:
+	@mkdir t
 	@echo
 	@echo "=== Generating ${subst t/,,$@}MB of random data... ==="
 	dd if=/dev/random of=$@ bs=1M count=${subst t/,,$@} status=progress
@@ -67,4 +68,4 @@ benchmarks.csv: md2 ${TESTFILES}
 	
 benchmarks: benchmarks.csv
 
-.PHONY: all clean help benchmarks
+.PHONY: all clean help benchmarks