build: Pass libraries to pkgconfig.generate as a positional argument

This allows Meson to associate the pkg-config module with the "main"
library that it represents, in an unambiguous way.

Signed-off-by: Simon McVittie <smcv@debian.org>

src/libsysprof-capture/meson.build

@@ -64,7 +64,7 @@ libsysprof_capture_dep = declare_dependency(
 
 if not meson.is_subproject()
   pkgconfig.generate(
-      libraries: [libsysprof_capture],
+                 libsysprof_capture,
         subdirs: [ sysprof_header_subdir ],
         version: meson.project_version(),
            name: 'sysprof-capture-@0@'.format(libsysprof_api_version),

src/libsysprof-ui/meson.build

@@ -109,7 +109,7 @@ libsysprof_ui_dep = declare_dependency(
 )
 
 pkgconfig.generate(
-    libraries: [libsysprof_ui],
+               libsysprof_ui,
       subdirs: [ sysprof_header_subdir ],
       version: meson.project_version(),
          name: 'sysprof-ui-@0@'.format(libsysprof_api_version),

src/libsysprof/meson.build

@@ -163,7 +163,7 @@ libsysprof_dep = declare_dependency(
 )
 
 pkgconfig.generate(
-    libraries: [libsysprof],
+               libsysprof,
       subdirs: [ sysprof_header_subdir ],
       version: meson.project_version(),
          name: 'sysprof-@0@'.format(libsysprof_api_version),