build: alpha-sort source files for lib and src

Closes #12014

lib/Makefile.inc

@@ -162,12 +162,12 @@ LIB_CFILES =         \
   http.c             \
   http1.c            \
   http2.c            \
+  http_aws_sigv4.c   \
   http_chunks.c      \
   http_digest.c      \
   http_negotiate.c   \
   http_ntlm.c        \
   http_proxy.c       \
-  http_aws_sigv4.c   \
   idn.c              \
   if2ip.c            \
   imap.c             \
@@ -289,9 +289,9 @@ LIB_HFILES =         \
   fileinfo.h         \
   fopen.h            \
   formdata.h         \
-  functypes.h        \
   ftp.h              \
   ftplistparser.h    \
+  functypes.h        \
   getinfo.h          \
   gopher.h           \
   hash.h             \
@@ -301,12 +301,12 @@ LIB_HFILES =         \
   http.h             \
   http1.h            \
   http2.h            \
+  http_aws_sigv4.h   \
   http_chunks.h      \
   http_digest.h      \
   http_negotiate.h   \
   http_ntlm.h        \
   http_proxy.h       \
-  http_aws_sigv4.h   \
   idn.h              \
   if2ip.h            \
   imap.h             \

src/Makefile.inc

@@ -47,15 +47,15 @@ CURLX_CFILES = \
   ../lib/warnless.c
 
 CURLX_HFILES = \
-  ../lib/curl_setup.h \
-  ../lib/strtoofft.h \
-  ../lib/timediff.h \
-  ../lib/nonblock.h \
-  ../lib/warnless.h \
   ../lib/curl_ctype.h \
   ../lib/curl_multibyte.h \
+  ../lib/curl_setup.h \
+  ../lib/dynbuf.h \
+  ../lib/nonblock.h \
+  ../lib/strtoofft.h \
+  ../lib/timediff.h \
   ../lib/version_win32.h \
-  ../lib/dynbuf.h
+  ../lib/warnless.h
 
 CURL_CFILES = \
   slist_wc.c \
@@ -88,10 +88,10 @@ CURL_CFILES = \
   tool_paramhlp.c \
   tool_parsecfg.c \
   tool_progress.c \
-  tool_stderr.c \
-  tool_strdup.c \
   tool_setopt.c \
   tool_sleep.c \
+  tool_stderr.c \
+  tool_strdup.c \
   tool_urlglob.c \
   tool_util.c \
   tool_vms.c \