am 6d343432: am 67f46cb0: Fix issue #18000467: processgroup truncates buffer

* commit '6d34343263d890114410fafc85885501eca8d3d6':
  Fix issue #18000467: processgroup truncates buffer
diff --git a/libprocessgroup/processgroup.cpp b/libprocessgroup/processgroup.cpp
index d5f3ad3..49f5903 100644
--- a/libprocessgroup/processgroup.cpp
+++ b/libprocessgroup/processgroup.cpp
@@ -99,7 +99,7 @@
     }
 
     ctx->buf_len += ret;
-    ctx->buf[ctx->buf_len-1] = 0;
+    ctx->buf[ctx->buf_len] = 0;
     SLOGV("Read %d to buffer: %s", ret, ctx->buf);
 
     assert(ctx->buf_len <= sizeof(ctx->buf));