meson: Make some Meson style more consistent with surrounding code

Author: Tristan Partin <tristan@neon.tech>
Discussion: https://www.postgresql.org/message-id/flat/CSPIJVUDZFKX.3KHMOAVGF94RV%40c3po

meson.build

@@ -1311,7 +1311,7 @@ if sslopt in ['auto', 'openssl']
       cdata.set('USE_OPENSSL', 1,
                 description: 'Define to 1 to build with OpenSSL support. (-Dssl=openssl)')
       cdata.set('OPENSSL_API_COMPAT', '0x10001000L',
-                description: '''Define to the OpenSSL API version in use. This avoids deprecation warnings from newer OpenSSL versions.''')
+                description: 'Define to the OpenSSL API version in use. This avoids deprecation warnings from newer OpenSSL versions.')
       ssl_library = 'openssl'
     else
       ssl = not_found_dep
@@ -1599,8 +1599,7 @@ if cc.links('''
 
   if not buggy_int128
     cdata.set('PG_INT128_TYPE', '__int128')
-    cdata.set('ALIGNOF_PG_INT128_TYPE', cc.
-      alignment('__int128', args: test_c_args))
+    cdata.set('ALIGNOF_PG_INT128_TYPE', cc.alignment('__int128', args: test_c_args))
   endif
 endif
 

src/include/meson.build

@@ -89,7 +89,7 @@ install_headers(
   'c.h',
   'port.h',
   'postgres_fe.h',
-  install_dir: dir_include_internal
+  install_dir: dir_include_internal,
 )
 
 install_headers(