meson: sort compiler flags

meson.build

@@ -319,38 +319,38 @@ endif
 # Those generate many false positives, and we do not want to change the code to
 # avoid them.
 basic_disabled_warnings = [
-        '-Wno-unused-parameter',
-        '-Wno-missing-field-initializers',
-        '-Wno-unused-result',
         '-Wno-format-signedness',
+        '-Wno-missing-field-initializers',
+        '-Wno-unused-parameter',
+        '-Wno-unused-result',
 ]
 
 possible_common_cc_flags = [
-        '-Werror=undef',
-        '-Wlogical-op',
-        '-Wmissing-include-dirs',
-        '-Wold-style-definition',
-        '-Wpointer-arith',
-        '-Winit-self',
-        '-Wfloat-equal',
-        '-Wsuggest-attribute=noreturn',
-        '-Werror=implicit-function-declaration',
-        '-Werror=return-type',
-        '-Werror=incompatible-pointer-types',
-        '-Werror=format=2',
-        '-Wstrict-prototypes',
-        '-Wredundant-decls',
-        '-Wmissing-noreturn',
-        '-Wimplicit-fallthrough=5',
-        '-Wshadow',
+        '-Wdate-time',
         '-Wendif-labels',
-        '-Wstrict-aliasing=2',
-        '-Wwrite-strings',
+        '-Werror=format=2',
+        '-Werror=implicit-function-declaration',
+        '-Werror=incompatible-pointer-types',
         '-Werror=overflow',
+        '-Werror=return-type',
         '-Werror=shift-count-overflow',
         '-Werror=shift-overflow=2',
-        '-Wdate-time',
+        '-Werror=undef',
+        '-Wfloat-equal',
+        '-Wimplicit-fallthrough=5',
+        '-Winit-self',
+        '-Wlogical-op',
+        '-Wmissing-include-dirs',
+        '-Wmissing-noreturn',
         '-Wnested-externs',
+        '-Wold-style-definition',
+        '-Wpointer-arith',
+        '-Wredundant-decls',
+        '-Wshadow',
+        '-Wstrict-aliasing=2',
+        '-Wstrict-prototypes',
+        '-Wsuggest-attribute=noreturn',
+        '-Wwrite-strings',
 
         # negative arguments are correctly detected starting with meson 0.46.
         '-Wno-error=#warnings',  # clang