Indent by 8 spaces to match existing code

Change-Id: I1aeb747654b1372473bb2f44319985682381971f
diff --git a/tools/resampler_tools/fir.cpp b/tools/resampler_tools/fir.cpp
index 6581328..3c04891 100644
--- a/tools/resampler_tools/fir.cpp
+++ b/tools/resampler_tools/fir.cpp
@@ -262,7 +262,7 @@
 
                 if (!debug) {
                     if (j == 0)
-                        printf("\n    ");
+                        printf("\n        ");
                 }
                 if (!format) {
                     int64_t yi = toint(y, 1ULL<<(nc-1));