[PATCH] perf script: add newline after uregs output

[Milian Wolff]

This change makes it much easier to easily distinguish
between consecutive samples by keeping the empty line
between them, like we see when we do not enable uregs
output.

Before:

```
cpp-inlining 28298 [-01] 54837.342780:    3068085 cycles:pp:
            7ffff7c96709 __hypot_finite+0xa9 (/usr/lib/libm-2.28.so)
            ...
 ABI:2    AX:0x0    BX:0x40f56cf6    CX:0x294a3ae7    ...
cpp-inlining 28298 [-01] 54837.344493:    2881929 cycles:pp:
            7ffff7c96696 __hypot_finite+0x36 (/usr/lib/libm-2.28.so)
            ...
 ABI:2    AX:0x40d440c7    BX:0x40d440c7    CX:0x4d45e5da    ...
```

After:

```
cpp-inlining 28298 [-01] 54837.342780:    3068085 cycles:pp:
            7ffff7c96709 __hypot_finite+0xa9 (/usr/lib/libm-2.28.so)
            ...
 ABI:2    AX:0x0    BX:0x40f56cf6    CX:0x294a3ae7    ...

cpp-inlining 28298 [-01] 54837.344493:    2881929 cycles:pp:
            7ffff7c96696 __hypot_finite+0x36 (/usr/lib/libm-2.28.so)
            ...
 ABI:2    AX:0x40d440c7    BX:0x40d440c7    CX:0x4d45e5da    ...
```

Signed-off-by: Milian Wolff <milian.wolff@xxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/builtin-script.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index b5bc85bd0bbe..daf73832743e 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -603,6 +603,8 @@ static int perf_sample__fprintf_uregs(struct perf_sample *sample,
 		printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
 	}
 
+	fprintf(fp, "\n");
+
 	return printed;
 }
 
-- 
2.19.1