gnu: soci: Apply patch to resolve a bug in liblinphone.

* gnu/packages/patches/soci-mysql-ddl-types.patch: New file.
* gnu/local.mk (dist_patch_DATA): Register it.
* gnu/packages/databases.scm (soci) [source]: Apply it.

Change-Id: I3840850c650d614f65ee398f948cea6206b03641
Fixes: https://issues.guix.gnu.org/47641

gnu/local.mk

@@ -2080,6 +2080,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/sdl-pango-matrix_declarations.patch	\
   %D%/packages/patches/sdl-pango-sans-serif.patch		\
   %D%/packages/patches/smalltalk-multiplication-overflow.patch	\
+  %D%/packages/patches/soci-mysql-ddl-types.patch		\
   %D%/packages/patches/sqlite-hurd.patch			\
   %D%/packages/patches/strace-readlink-tests.patch		\
   %D%/packages/patches/sunxi-tools-remove-sys-io.patch	\

gnu/packages/databases.scm

@@ -5803,7 +5803,8 @@ The drivers officially supported by @code{libdbi} are:
               (file-name (git-file-name name version))
               (sha256
                (base32
-                "12aq7pama96l2c1kmfkclb4bvrsxs9a8ppgk5gmzw45w2lg35i0y"))))
+                "12aq7pama96l2c1kmfkclb4bvrsxs9a8ppgk5gmzw45w2lg35i0y"))
+              (patches (search-patches "soci-mysql-ddl-types.patch"))))
     (build-system cmake-build-system)
     (propagated-inputs
      ;; Headers of soci has include-references to headers of these inputs.

gnu/packages/patches/soci-mysql-ddl-types.patch

@@ -0,0 +1,15 @@
+Description: Add two unusual column type entries to make liblinphone work
+Author: Dennis Filder <d.filder@web.de>
+Bug-Debian: https://bugs.debian.org/984534
+Last-Update: 2021-03-10
+--- a/src/backends/sqlite3/statement.cpp
++++ b/src/backends/sqlite3/statement.cpp
+@@ -440,6 +440,8 @@
+     m["mediumint"]          = dt_integer;
+     m["smallint"]           = dt_integer;
+     m["tinyint"]            = dt_integer;
++    m["tinyintunsigned"]    = dt_integer;
++    m["intunsigned"]        = dt_integer;
+ 
+     // dt_long_long
+     m["bigint"]             = dt_long_long;