Fixed permissions
diff --git a/include/libspirv/libspirv.h b/include/libspirv/libspirv.h
old mode 100755
new mode 100644
diff --git a/source/binary.cpp b/source/binary.cpp
old mode 100755
new mode 100644
diff --git a/source/binary.h b/source/binary.h
old mode 100755
new mode 100644
diff --git a/source/endian.cpp b/source/endian.cpp
old mode 100755
new mode 100644
diff --git a/source/endian.h b/source/endian.h
old mode 100755
new mode 100644
diff --git a/source/text.cpp b/source/text.cpp
old mode 100755
new mode 100644
diff --git a/source/validate.cpp b/source/validate.cpp
old mode 100755
new mode 100644
diff --git a/test/BinaryEndianness.cpp b/test/BinaryEndianness.cpp
old mode 100755
new mode 100644
diff --git a/test/BinaryHeaderGet.cpp b/test/BinaryHeaderGet.cpp
old mode 100755
new mode 100644
diff --git a/test/HexFloat.cpp b/test/HexFloat.cpp
old mode 100755
new mode 100644
diff --git a/test/Validate.cpp b/test/Validate.cpp
old mode 100755
new mode 100644
diff --git a/test/ValidateID.cpp b/test/ValidateID.cpp
old mode 100755
new mode 100644
diff --git a/tools/val/val.cpp b/tools/val/val.cpp
old mode 100755
new mode 100644