meson: Use consistent style

Currently the meosn build has a mix of two styles:
arg : [foo, ...
       bar],

and
arg : [
  foo, ...,
  bar,
]

For consistency let's pick one. I've picked the later style, which I
think is more readable, and is more common in the mesa code base.

v2: - fix commit message

Acked-by: Eric Engestrom <eric.engestrom@imgtec.com>
Signed-off-by: Dylan Baker <dylan.c.baker@intel.com>

src/compiler/glsl/glcpp/meson.build

@@ -22,8 +22,10 @@ glcpp_parse = custom_target(
   'glcpp-parse.[ch]',
   input : 'glcpp-parse.y',
   output : ['glcpp-parse.c', 'glcpp-parse.h'],
-  command : [prog_bison, '-o', '@OUTPUT0@', '-p', 'glcpp_parser_',
-             '--defines=@OUTPUT1@', '@INPUT@'],
+  command : [
+    prog_bison, '-o', '@OUTPUT0@', '-p', 'glcpp_parser_',
+    '--defines=@OUTPUT1@', '@INPUT@',
+  ],
 )
 
 glcpp_lex = custom_target(