patch 9.0.0049: csv and tsv files are not recognized

Problem:    Csv and tsv files are not recognized.
Solution:   Add patterns fo csv and tsv files. (Leandro Lourenci,
            closes #10680)
diff --git a/src/testdir/test_filetype.vim b/src/testdir/test_filetype.vim
index ff44905..2b7b797 100644
--- a/src/testdir/test_filetype.vim
+++ b/src/testdir/test_filetype.vim
@@ -128,6 +128,7 @@
     \ 'csp': ['file.csp', 'file.fdr'],
     \ 'css': ['file.css'],
     \ 'cterm': ['file.con'],
+    \ 'csv': ['file.csv'],
     \ 'cucumber': ['file.feature'],
     \ 'cuda': ['file.cu', 'file.cuh'],
     \ 'cupl': ['file.pld'],
@@ -564,6 +565,7 @@
     \ 'tsscl': ['file.tsscl'],
     \ 'tssgm': ['file.tssgm'],
     \ 'tssop': ['file.tssop'],
+    \ 'tsv': ['file.tsv'],
     \ 'twig': ['file.twig'],
     \ 'typescript.glimmer': ['file.gts'],
     \ 'typescriptreact': ['file.tsx'],
diff --git a/src/version.c b/src/version.c
index 21f9199..51e33b4 100644
--- a/src/version.c
+++ b/src/version.c
@@ -736,6 +736,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    49,
+/**/
     48,
 /**/
     47,