[nvptx] Fix whitespace in nvptx_single and nvptx_neuter_pars

Fix whitespace in nvptx_single and nvptx_neuter_pars.

Build and reg-tested on x86_64 with nvptx accelerator.

2018-12-17  Tom de Vries  <tdevries@suse.de>

	* config/nvptx/nvptx.c (nvptx_single): Fix whitespace.
	(nvptx_neuter_pars): Likewise.

From-SVN: r267214

gcc/ChangeLog

 2018-12-17  Tom de Vries  <tdevries@suse.de>
 
+	* config/nvptx/nvptx.c (nvptx_single): Fix whitespace.
+	(nvptx_neuter_pars): Likewise.
+
+2018-12-17  Tom de Vries  <tdevries@suse.de>
+
 	* config/nvptx/nvptx.c (nvptx_goacc_validate_dims): Work around Fortran
 	bug PR72741 by overriding dims parameter for routines.