git: bc8813201e0f - main - graphics/libmng: reinstate the accidentally-deleted old patch

The branch main has been updated by mi:

URL: https://cgit.FreeBSD.org/ports/commit/?id=bc8813201e0f7c095a8d0152485424cf22336bf5

commit bc8813201e0f7c095a8d0152485424cf22336bf5
Author:     Mikhail Teterin <mi@FreeBSD.org>
AuthorDate: 2024-01-08 19:54:30 +0000
Commit:     Mikhail Teterin <mi@FreeBSD.org>
CommitDate: 2024-01-08 19:54:30 +0000

    graphics/libmng: reinstate the accidentally-deleted old patch
    
    PR:     276145, 276182
---
 graphics/libmng/files/patch-conf | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/graphics/libmng/files/patch-conf b/graphics/libmng/files/patch-conf
new file mode 100644
index 000000000000..2413a8b8bbfd
--- /dev/null
+++ b/graphics/libmng/files/patch-conf
@@ -0,0 +1,19 @@
++++ libmng_conf.h	Tue Oct 18 00:23:11 2005
+@@ -100,4 +100,8 @@
+ #endif
+ 
++#ifdef PIC
++#	define MNG_BUILD_SO
++#endif
++
+ #ifndef MNG_SUPPORT_IJG6B
+ #if defined(MNG_BUILD_SO) || defined(MNG_USE_SO) || defined(MNG_BUILD_DLL) || defined(MNG_USE_DLL)
+@@ -161,6 +165,6 @@
+    select MNG_APP_CMS */
+ 
+-#define MNG_GAMMA_ONLY
+-/* #define MNG_FULL_CMS */
++/* #define MNG_GAMMA_ONLY */
++#define MNG_FULL_CMS
+ /* #define MNG_APP_CMS */
+