Convert tests/resources/push.sh to LF endings

This changes that file to use UNIX line-endings, which makes sense since
this is a UNIXy file.

tests/resources/push.sh

-#!/bin/sh
-#creates push_src repo for libgit2 push tests.
-set -eu
-
-#Create src repo for push
-mkdir push_src
-pushd push_src
-  git init
-  
-  echo a > a.txt
-  git add .
-  git commit -m 'added a.txt'
-  
-  mkdir fold
-  echo b > fold/b.txt
-  git add .
-  git commit -m 'added fold and fold/b.txt'
-  
-  git branch b1 #b1 and b2 are the same
-  git branch b2
-  
-  git checkout -b b3
-  echo edit >> a.txt
-  git add .
-  git commit -m 'edited a.txt'
-
-  git checkout -b b4 master
-  echo edit >> fold\b.txt
-  git add .
-  git commit -m 'edited fold\b.txt'
-  
-  git checkout -b b5 master
-  git submodule add ../testrepo.git submodule
-  git commit -m "added submodule named 'submodule' pointing to '../testrepo.git'"
-  
-  git checkout master
-  git merge -m "merge b3, b4, and b5 to master" b3 b4 b5
-
-  #Log commits to include in testcase
-  git log --format=oneline --decorate --graph
-  #*-.   951bbbb90e2259a4c8950db78946784fb53fcbce (HEAD, master) merge b3, b4, and b5 to master
-  #|\ \
-  #| | * fa38b91f199934685819bea316186d8b008c52a2 (b5) added submodule named 'submodule' pointing to '../testrepo.git'
-  #| * | 27b7ce66243eb1403862d05f958c002312df173d (b4) edited fold\b.txt
-  #| |/
-  #* | d9b63a88223d8367516f50bd131a5f7349b7f3e4 (b3) edited a.txt
-  #|/
-  #* a78705c3b2725f931d3ee05348d83cc26700f247 (b2, b1) added fold and fold/b.txt
-  #* 5c0bb3d1b9449d1cc69d7519fd05166f01840915 added a.txt
-
-  #fix paths so that we can add repo folders under libgit2 repo
-  #rename .git to .gitted
-  find . -name .git -exec mv -i '{}' '{}ted' \;
-  mv -i .gitmodules gitmodules
-popd
+#!/bin/sh
+#creates push_src repo for libgit2 push tests.
+set -eu
+
+#Create src repo for push
+mkdir push_src
+pushd push_src
+  git init
+
+  echo a > a.txt
+  git add .
+  git commit -m 'added a.txt'
+
+  mkdir fold
+  echo b > fold/b.txt
+  git add .
+  git commit -m 'added fold and fold/b.txt'
+
+  git branch b1 #b1 and b2 are the same
+  git branch b2
+
+  git checkout -b b3
+  echo edit >> a.txt
+  git add .
+  git commit -m 'edited a.txt'
+
+  git checkout -b b4 master
+  echo edit >> fold\b.txt
+  git add .
+  git commit -m 'edited fold\b.txt'
+
+  git checkout -b b5 master
+  git submodule add ../testrepo.git submodule
+  git commit -m "added submodule named 'submodule' pointing to '../testrepo.git'"
+
+  git checkout master
+  git merge -m "merge b3, b4, and b5 to master" b3 b4 b5
+
+  #Log commits to include in testcase
+  git log --format=oneline --decorate --graph
+  #*-.   951bbbb90e2259a4c8950db78946784fb53fcbce (HEAD, master) merge b3, b4, and b5 to master
+  #|\ \
+  #| | * fa38b91f199934685819bea316186d8b008c52a2 (b5) added submodule named 'submodule' pointing to '../testrepo.git'
+  #| * | 27b7ce66243eb1403862d05f958c002312df173d (b4) edited fold\b.txt
+  #| |/
+  #* | d9b63a88223d8367516f50bd131a5f7349b7f3e4 (b3) edited a.txt
+  #|/
+  #* a78705c3b2725f931d3ee05348d83cc26700f247 (b2, b1) added fold and fold/b.txt
+  #* 5c0bb3d1b9449d1cc69d7519fd05166f01840915 added a.txt
+
+  #fix paths so that we can add repo folders under libgit2 repo
+  #rename .git to .gitted
+  find . -name .git -exec mv -i '{}' '{}ted' \;
+  mv -i .gitmodules gitmodules
+popd